Home / 3,587.20-5,380.39-1,246.81

Finding the Fourth Proportional to 3,587.20, 5,380.39 and 1,246.81

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Solution

The fourth proportional to 3,587.20, 5,380.39 and 1,246.81 is: 1,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.20 : 5,380.39 = 1,246.81 : x
  2. Step 2: Convert to fraction form
    3,587.20/5,380.39 = 1,246.81/x
  3. Step 3: Cross multiply
    3,587.20x = 5,380.39 × 1,246.81
  4. Step 4: Simplify right side
    3,587.20x = 6,708,294.04
  5. Step 5: Solve for x
    x = 6,708,294.04/3,587.20
  6. Step 6: Final answer
    x = 1,870.07

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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.