Home / 3,705.39-5,557.98-1,240.29

Finding the Fourth Proportional to 3,705.39, 5,557.98 and 1,240.29

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Solution

The fourth proportional to 3,705.39, 5,557.98 and 1,240.29 is: 1,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.39 : 5,557.98 = 1,240.29 : x
  2. Step 2: Convert to fraction form
    3,705.39/5,557.98 = 1,240.29/x
  3. Step 3: Cross multiply
    3,705.39x = 5,557.98 × 1,240.29
  4. Step 4: Simplify right side
    3,705.39x = 6,893,507.01
  5. Step 5: Solve for x
    x = 6,893,507.01/3,705.39
  6. Step 6: Final answer
    x = 1,860.40

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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.