Home / 1,341.83-2,011.50-519.93

Finding the Fourth Proportional to 1,341.83, 2,011.50 and 519.93

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Solution

The fourth proportional to 1,341.83, 2,011.50 and 519.93 is: 779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.83 : 2,011.50 = 519.93 : x
  2. Step 2: Convert to fraction form
    1,341.83/2,011.50 = 519.93/x
  3. Step 3: Cross multiply
    1,341.83x = 2,011.50 × 519.93
  4. Step 4: Simplify right side
    1,341.83x = 1,045,839.20
  5. Step 5: Solve for x
    x = 1,045,839.20/1,341.83
  6. Step 6: Final answer
    x = 779.41

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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.