Home / 2,572.90-3,549.56-1,576.46

Finding the Fourth Proportional to 2,572.90, 3,549.56 and 1,576.46

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Solution

The fourth proportional to 2,572.90, 3,549.56 and 1,576.46 is: 2,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.90 : 3,549.56 = 1,576.46 : x
  2. Step 2: Convert to fraction form
    2,572.90/3,549.56 = 1,576.46/x
  3. Step 3: Cross multiply
    2,572.90x = 3,549.56 × 1,576.46
  4. Step 4: Simplify right side
    2,572.90x = 5,595,740.35
  5. Step 5: Solve for x
    x = 5,595,740.35/2,572.90
  6. Step 6: Final answer
    x = 2,174.88

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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.