Home / 2,270.19-3,133.02-1,386.14

Finding the Fourth Proportional to 2,270.19, 3,133.02 and 1,386.14

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Solution

The fourth proportional to 2,270.19, 3,133.02 and 1,386.14 is: 1,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.19 : 3,133.02 = 1,386.14 : x
  2. Step 2: Convert to fraction form
    2,270.19/3,133.02 = 1,386.14/x
  3. Step 3: Cross multiply
    2,270.19x = 3,133.02 × 1,386.14
  4. Step 4: Simplify right side
    2,270.19x = 4,342,788.68
  5. Step 5: Solve for x
    x = 4,342,788.68/2,270.19
  6. Step 6: Final answer
    x = 1,912.96

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Half scale
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Double scale
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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.