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Finding the Fourth Proportional to 2,024.84, 3,038.34 and 870.52

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Solution

The fourth proportional to 2,024.84, 3,038.34 and 870.52 is: 1,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.84 : 3,038.34 = 870.52 : x
  2. Step 2: Convert to fraction form
    2,024.84/3,038.34 = 870.52/x
  3. Step 3: Cross multiply
    2,024.84x = 3,038.34 × 870.52
  4. Step 4: Simplify right side
    2,024.84x = 2,644,935.74
  5. Step 5: Solve for x
    x = 2,644,935.74/2,024.84
  6. Step 6: Final answer
    x = 1,306.24

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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.