Home / 1,840.68-2,761.40-974.76

Finding the Fourth Proportional to 1,840.68, 2,761.40 and 974.76

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Solution

The fourth proportional to 1,840.68, 2,761.40 and 974.76 is: 1,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.68 : 2,761.40 = 974.76 : x
  2. Step 2: Convert to fraction form
    1,840.68/2,761.40 = 974.76/x
  3. Step 3: Cross multiply
    1,840.68x = 2,761.40 × 974.76
  4. Step 4: Simplify right side
    1,840.68x = 2,691,702.26
  5. Step 5: Solve for x
    x = 2,691,702.26/1,840.68
  6. Step 6: Final answer
    x = 1,462.34

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1.5x scale

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.