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Finding the Fourth Proportional to 1,454.70, 2,006.00 and 1,294.70

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Solution

The fourth proportional to 1,454.70, 2,006.00 and 1,294.70 is: 1,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.70 : 2,006.00 = 1,294.70 : x
  2. Step 2: Convert to fraction form
    1,454.70/2,006.00 = 1,294.70/x
  3. Step 3: Cross multiply
    1,454.70x = 2,006.00 × 1,294.70
  4. Step 4: Simplify right side
    1,454.70x = 2,597,156.55
  5. Step 5: Solve for x
    x = 2,597,156.55/1,454.70
  6. Step 6: Final answer
    x = 1,785.35

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1.5x scale

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.