Home / 4,521.92-6,780.96-1,600.64

Finding the Fourth Proportional to 4,521.92, 6,780.96 and 1,600.64

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Solution

The fourth proportional to 4,521.92, 6,780.96 and 1,600.64 is: 2,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.92 : 6,780.96 = 1,600.64 : x
  2. Step 2: Convert to fraction form
    4,521.92/6,780.96 = 1,600.64/x
  3. Step 3: Cross multiply
    4,521.92x = 6,780.96 × 1,600.64
  4. Step 4: Simplify right side
    4,521.92x = 10,853,875.81
  5. Step 5: Solve for x
    x = 10,853,875.81/4,521.92
  6. Step 6: Final answer
    x = 2,400.28

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1.5x scale

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.