Home / 3,607.50-5,411.79-1,268.13

Finding the Fourth Proportional to 3,607.50, 5,411.79 and 1,268.13

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Solution

The fourth proportional to 3,607.50, 5,411.79 and 1,268.13 is: 1,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.50 : 5,411.79 = 1,268.13 : x
  2. Step 2: Convert to fraction form
    3,607.50/5,411.79 = 1,268.13/x
  3. Step 3: Cross multiply
    3,607.50x = 5,411.79 × 1,268.13
  4. Step 4: Simplify right side
    3,607.50x = 6,862,853.25
  5. Step 5: Solve for x
    x = 6,862,853.25/3,607.50
  6. Step 6: Final answer
    x = 1,902.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.