Home / 3,158.12-4,740.08-1,599.20

Finding the Fourth Proportional to 3,158.12, 4,740.08 and 1,599.20

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Solution

The fourth proportional to 3,158.12, 4,740.08 and 1,599.20 is: 2,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.12 : 4,740.08 = 1,599.20 : x
  2. Step 2: Convert to fraction form
    3,158.12/4,740.08 = 1,599.20/x
  3. Step 3: Cross multiply
    3,158.12x = 4,740.08 × 1,599.20
  4. Step 4: Simplify right side
    3,158.12x = 7,580,335.94
  5. Step 5: Solve for x
    x = 7,580,335.94/3,158.12
  6. Step 6: Final answer
    x = 2,400.27

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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.