Home / 2,666.23-3,679.47-1,487.29

Finding the Fourth Proportional to 2,666.23, 3,679.47 and 1,487.29

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Solution

The fourth proportional to 2,666.23, 3,679.47 and 1,487.29 is: 2,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.23 : 3,679.47 = 1,487.29 : x
  2. Step 2: Convert to fraction form
    2,666.23/3,679.47 = 1,487.29/x
  3. Step 3: Cross multiply
    2,666.23x = 3,679.47 × 1,487.29
  4. Step 4: Simplify right side
    2,666.23x = 5,472,438.94
  5. Step 5: Solve for x
    x = 5,472,438.94/2,666.23
  6. Step 6: Final answer
    x = 2,052.50

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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.