Home / 2,487.08-3,432.34-1,646.34

Finding the Fourth Proportional to 2,487.08, 3,432.34 and 1,646.34

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Solution

The fourth proportional to 2,487.08, 3,432.34 and 1,646.34 is: 2,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.08 : 3,432.34 = 1,646.34 : x
  2. Step 2: Convert to fraction form
    2,487.08/3,432.34 = 1,646.34/x
  3. Step 3: Cross multiply
    2,487.08x = 3,432.34 × 1,646.34
  4. Step 4: Simplify right side
    2,487.08x = 5,650,798.64
  5. Step 5: Solve for x
    x = 5,650,798.64/2,487.08
  6. Step 6: Final answer
    x = 2,272.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.