Home / 1,519.20-2,278.80-595.42

Finding the Fourth Proportional to 1,519.20, 2,278.80 and 595.42

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Solution

The fourth proportional to 1,519.20, 2,278.80 and 595.42 is: 893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.20 : 2,278.80 = 595.42 : x
  2. Step 2: Convert to fraction form
    1,519.20/2,278.80 = 595.42/x
  3. Step 3: Cross multiply
    1,519.20x = 2,278.80 × 595.42
  4. Step 4: Simplify right side
    1,519.20x = 1,356,837.40
  5. Step 5: Solve for x
    x = 1,356,837.40/1,519.20
  6. Step 6: Final answer
    x = 893.13

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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.