Home / 1,507.32-2,080.16-844.12

Finding the Fourth Proportional to 1,507.32, 2,080.16 and 844.12

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Solution

The fourth proportional to 1,507.32, 2,080.16 and 844.12 is: 1,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.32 : 2,080.16 = 844.12 : x
  2. Step 2: Convert to fraction form
    1,507.32/2,080.16 = 844.12/x
  3. Step 3: Cross multiply
    1,507.32x = 2,080.16 × 844.12
  4. Step 4: Simplify right side
    1,507.32x = 1,755,904.66
  5. Step 5: Solve for x
    x = 1,755,904.66/1,507.32
  6. Step 6: Final answer
    x = 1,164.92

Related Problems

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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.