Home / 1,753.72-2,632.14-1,319.56

Finding the Fourth Proportional to 1,753.72, 2,632.14 and 1,319.56

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Solution

The fourth proportional to 1,753.72, 2,632.14 and 1,319.56 is: 1,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.72 : 2,632.14 = 1,319.56 : x
  2. Step 2: Convert to fraction form
    1,753.72/2,632.14 = 1,319.56/x
  3. Step 3: Cross multiply
    1,753.72x = 2,632.14 × 1,319.56
  4. Step 4: Simplify right side
    1,753.72x = 3,473,266.66
  5. Step 5: Solve for x
    x = 3,473,266.66/1,753.72
  6. Step 6: Final answer
    x = 1,980.51

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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.