Home / 1,926.18-2,660.85-1,532.70

Finding the Fourth Proportional to 1,926.18, 2,660.85 and 1,532.70

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Solution

The fourth proportional to 1,926.18, 2,660.85 and 1,532.70 is: 2,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.18 : 2,660.85 = 1,532.70 : x
  2. Step 2: Convert to fraction form
    1,926.18/2,660.85 = 1,532.70/x
  3. Step 3: Cross multiply
    1,926.18x = 2,660.85 × 1,532.70
  4. Step 4: Simplify right side
    1,926.18x = 4,078,284.80
  5. Step 5: Solve for x
    x = 4,078,284.80/1,926.18
  6. Step 6: Final answer
    x = 2,117.29

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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.