Home / 1,835.20-2,752.80-1,507.15

Finding the Fourth Proportional to 1,835.20, 2,752.80 and 1,507.15

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Solution

The fourth proportional to 1,835.20, 2,752.80 and 1,507.15 is: 2,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.20 : 2,752.80 = 1,507.15 : x
  2. Step 2: Convert to fraction form
    1,835.20/2,752.80 = 1,507.15/x
  3. Step 3: Cross multiply
    1,835.20x = 2,752.80 × 1,507.15
  4. Step 4: Simplify right side
    1,835.20x = 4,148,882.52
  5. Step 5: Solve for x
    x = 4,148,882.52/1,835.20
  6. Step 6: Final answer
    x = 2,260.73

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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.