Home / 1,494.20-2,060.69-1,045.85

Finding the Fourth Proportional to 1,494.20, 2,060.69 and 1,045.85

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Solution

The fourth proportional to 1,494.20, 2,060.69 and 1,045.85 is: 1,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.20 : 2,060.69 = 1,045.85 : x
  2. Step 2: Convert to fraction form
    1,494.20/2,060.69 = 1,045.85/x
  3. Step 3: Cross multiply
    1,494.20x = 2,060.69 × 1,045.85
  4. Step 4: Simplify right side
    1,494.20x = 2,155,164.95
  5. Step 5: Solve for x
    x = 2,155,164.95/1,494.20
  6. Step 6: Final answer
    x = 1,442.35

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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.