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Finding the Fourth Proportional to 1,454.46, 2,012.31 and 1,400.46

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Solution

The fourth proportional to 1,454.46, 2,012.31 and 1,400.46 is: 1,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.46 : 2,012.31 = 1,400.46 : x
  2. Step 2: Convert to fraction form
    1,454.46/2,012.31 = 1,400.46/x
  3. Step 3: Cross multiply
    1,454.46x = 2,012.31 × 1,400.46
  4. Step 4: Simplify right side
    1,454.46x = 2,818,159.66
  5. Step 5: Solve for x
    x = 2,818,159.66/1,454.46
  6. Step 6: Final answer
    x = 1,937.60

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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.