Home / 4,373.79-6,561.54-1,600.20

Finding the Fourth Proportional to 4,373.79, 6,561.54 and 1,600.20

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Solution

The fourth proportional to 4,373.79, 6,561.54 and 1,600.20 is: 2,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,373.79 : 6,561.54 = 1,600.20 : x
  2. Step 2: Convert to fraction form
    4,373.79/6,561.54 = 1,600.20/x
  3. Step 3: Cross multiply
    4,373.79x = 6,561.54 × 1,600.20
  4. Step 4: Simplify right side
    4,373.79x = 10,499,776.31
  5. Step 5: Solve for x
    x = 10,499,776.31/4,373.79
  6. Step 6: Final answer
    x = 2,400.61

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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.