Home / 1,531.68-2,296.24-837.60

Finding the Fourth Proportional to 1,531.68, 2,296.24 and 837.60

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Solution

The fourth proportional to 1,531.68, 2,296.24 and 837.60 is: 1,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.68 : 2,296.24 = 837.60 : x
  2. Step 2: Convert to fraction form
    1,531.68/2,296.24 = 837.60/x
  3. Step 3: Cross multiply
    1,531.68x = 2,296.24 × 837.60
  4. Step 4: Simplify right side
    1,531.68x = 1,923,330.62
  5. Step 5: Solve for x
    x = 1,923,330.62/1,531.68
  6. Step 6: Final answer
    x = 1,255.70

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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.