Home / 2,356.04-3,251.36-1,308.17

Finding the Fourth Proportional to 2,356.04, 3,251.36 and 1,308.17

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Solution

The fourth proportional to 2,356.04, 3,251.36 and 1,308.17 is: 1,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.04 : 3,251.36 = 1,308.17 : x
  2. Step 2: Convert to fraction form
    2,356.04/3,251.36 = 1,308.17/x
  3. Step 3: Cross multiply
    2,356.04x = 3,251.36 × 1,308.17
  4. Step 4: Simplify right side
    2,356.04x = 4,253,331.61
  5. Step 5: Solve for x
    x = 4,253,331.61/2,356.04
  6. Step 6: Final answer
    x = 1,805.29

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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.