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Finding the Fourth Proportional to 1,050.87, 1,574.10 and 844.32

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Solution

The fourth proportional to 1,050.87, 1,574.10 and 844.32 is: 1,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.87 : 1,574.10 = 844.32 : x
  2. Step 2: Convert to fraction form
    1,050.87/1,574.10 = 844.32/x
  3. Step 3: Cross multiply
    1,050.87x = 1,574.10 × 844.32
  4. Step 4: Simplify right side
    1,050.87x = 1,329,044.11
  5. Step 5: Solve for x
    x = 1,329,044.11/1,050.87
  6. Step 6: Final answer
    x = 1,264.71

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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.