Home / 2,293.10-3,164.47-1,245.16

Finding the Fourth Proportional to 2,293.10, 3,164.47 and 1,245.16

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Solution

The fourth proportional to 2,293.10, 3,164.47 and 1,245.16 is: 1,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.10 : 3,164.47 = 1,245.16 : x
  2. Step 2: Convert to fraction form
    2,293.10/3,164.47 = 1,245.16/x
  3. Step 3: Cross multiply
    2,293.10x = 3,164.47 × 1,245.16
  4. Step 4: Simplify right side
    2,293.10x = 3,940,271.47
  5. Step 5: Solve for x
    x = 3,940,271.47/2,293.10
  6. Step 6: Final answer
    x = 1,718.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.