Home / 2,666.04-3,679.15-1,487.11

Finding the Fourth Proportional to 2,666.04, 3,679.15 and 1,487.11

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Solution

The fourth proportional to 2,666.04, 3,679.15 and 1,487.11 is: 2,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.04 : 3,679.15 = 1,487.11 : x
  2. Step 2: Convert to fraction form
    2,666.04/3,679.15 = 1,487.11/x
  3. Step 3: Cross multiply
    2,666.04x = 3,679.15 × 1,487.11
  4. Step 4: Simplify right side
    2,666.04x = 5,471,293.35
  5. Step 5: Solve for x
    x = 5,471,293.35/2,666.04
  6. Step 6: Final answer
    x = 2,052.22

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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.