Home / 1,341.15-2,008.75-1,030.71

Finding the Fourth Proportional to 1,341.15, 2,008.75 and 1,030.71

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Solution

The fourth proportional to 1,341.15, 2,008.75 and 1,030.71 is: 1,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.15 : 2,008.75 = 1,030.71 : x
  2. Step 2: Convert to fraction form
    1,341.15/2,008.75 = 1,030.71/x
  3. Step 3: Cross multiply
    1,341.15x = 2,008.75 × 1,030.71
  4. Step 4: Simplify right side
    1,341.15x = 2,070,438.71
  5. Step 5: Solve for x
    x = 2,070,438.71/1,341.15
  6. Step 6: Final answer
    x = 1,543.78

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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.