Home / 1,535.27-2,314.14-1,403.80

Finding the Fourth Proportional to 1,535.27, 2,314.14 and 1,403.80

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Solution

The fourth proportional to 1,535.27, 2,314.14 and 1,403.80 is: 2,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.27 : 2,314.14 = 1,403.80 : x
  2. Step 2: Convert to fraction form
    1,535.27/2,314.14 = 1,403.80/x
  3. Step 3: Cross multiply
    1,535.27x = 2,314.14 × 1,403.80
  4. Step 4: Simplify right side
    1,535.27x = 3,248,589.73
  5. Step 5: Solve for x
    x = 3,248,589.73/1,535.27
  6. Step 6: Final answer
    x = 2,115.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.