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Finding the Fourth Proportional to 2,572, 3,858.54 and 1,033

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Solution

The fourth proportional to 2,572, 3,858.54 and 1,033 is: 1,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572 : 3,858.54 = 1,033 : x
  2. Step 2: Convert to fraction form
    2,572/3,858.54 = 1,033/x
  3. Step 3: Cross multiply
    2,572x = 3,858.54 × 1,033
  4. Step 4: Simplify right side
    2,572x = 3,985,871.82
  5. Step 5: Solve for x
    x = 3,985,871.82/2,572
  6. Step 6: Final answer
    x = 1,549.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.