Home / 2,572.16-3,549.65-1,577.41

Finding the Fourth Proportional to 2,572.16, 3,549.65 and 1,577.41

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Solution

The fourth proportional to 2,572.16, 3,549.65 and 1,577.41 is: 2,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.16 : 3,549.65 = 1,577.41 : x
  2. Step 2: Convert to fraction form
    2,572.16/3,549.65 = 1,577.41/x
  3. Step 3: Cross multiply
    2,572.16x = 3,549.65 × 1,577.41
  4. Step 4: Simplify right side
    2,572.16x = 5,599,236.65
  5. Step 5: Solve for x
    x = 5,599,236.65/2,572.16
  6. Step 6: Final answer
    x = 2,176.87

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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.