Home / 2,349.13-3,539.83-1,947.28

Finding the Fourth Proportional to 2,349.13, 3,539.83 and 1,947.28

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Solution

The fourth proportional to 2,349.13, 3,539.83 and 1,947.28 is: 2,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.13 : 3,539.83 = 1,947.28 : x
  2. Step 2: Convert to fraction form
    2,349.13/3,539.83 = 1,947.28/x
  3. Step 3: Cross multiply
    2,349.13x = 3,539.83 × 1,947.28
  4. Step 4: Simplify right side
    2,349.13x = 6,893,040.16
  5. Step 5: Solve for x
    x = 6,893,040.16/2,349.13
  6. Step 6: Final answer
    x = 2,934.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.