Home / 1,341.08-2,012.20-519.94

Finding the Fourth Proportional to 1,341.08, 2,012.20 and 519.94

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Solution

The fourth proportional to 1,341.08, 2,012.20 and 519.94 is: 780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.08 : 2,012.20 = 519.94 : x
  2. Step 2: Convert to fraction form
    1,341.08/2,012.20 = 519.94/x
  3. Step 3: Cross multiply
    1,341.08x = 2,012.20 × 519.94
  4. Step 4: Simplify right side
    1,341.08x = 1,046,223.27
  5. Step 5: Solve for x
    x = 1,046,223.27/1,341.08
  6. Step 6: Final answer
    x = 780.13

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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.