Home / 1,535.22-2,302.52-1,276.89

Finding the Fourth Proportional to 1,535.22, 2,302.52 and 1,276.89

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Solution

The fourth proportional to 1,535.22, 2,302.52 and 1,276.89 is: 1,915.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.22 : 2,302.52 = 1,276.89 : x
  2. Step 2: Convert to fraction form
    1,535.22/2,302.52 = 1,276.89/x
  3. Step 3: Cross multiply
    1,535.22x = 2,302.52 × 1,276.89
  4. Step 4: Simplify right side
    1,535.22x = 2,940,046.87
  5. Step 5: Solve for x
    x = 2,940,046.87/1,535.22
  6. Step 6: Final answer
    x = 1,915.07

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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.