Home / 2,487.08-3,730.61-1,188.24

Finding the Fourth Proportional to 2,487.08, 3,730.61 and 1,188.24

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Solution

The fourth proportional to 2,487.08, 3,730.61 and 1,188.24 is: 1,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.08 : 3,730.61 = 1,188.24 : x
  2. Step 2: Convert to fraction form
    2,487.08/3,730.61 = 1,188.24/x
  3. Step 3: Cross multiply
    2,487.08x = 3,730.61 × 1,188.24
  4. Step 4: Simplify right side
    2,487.08x = 4,432,854.09
  5. Step 5: Solve for x
    x = 4,432,854.09/2,487.08
  6. Step 6: Final answer
    x = 1,782.36

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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.