Home / 1,764.68-2,647.38-532.16

Finding the Fourth Proportional to 1,764.68, 2,647.38 and 532.16

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Solution

The fourth proportional to 1,764.68, 2,647.38 and 532.16 is: 798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.68 : 2,647.38 = 532.16 : x
  2. Step 2: Convert to fraction form
    1,764.68/2,647.38 = 532.16/x
  3. Step 3: Cross multiply
    1,764.68x = 2,647.38 × 532.16
  4. Step 4: Simplify right side
    1,764.68x = 1,408,829.74
  5. Step 5: Solve for x
    x = 1,408,829.74/1,764.68
  6. Step 6: Final answer
    x = 798.35

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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.