Home / 3,439.12-5,158.11-973.33

Finding the Fourth Proportional to 3,439.12, 5,158.11 and 973.33

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Solution

The fourth proportional to 3,439.12, 5,158.11 and 973.33 is: 1,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.12 : 5,158.11 = 973.33 : x
  2. Step 2: Convert to fraction form
    3,439.12/5,158.11 = 973.33/x
  3. Step 3: Cross multiply
    3,439.12x = 5,158.11 × 973.33
  4. Step 4: Simplify right side
    3,439.12x = 5,020,512.55
  5. Step 5: Solve for x
    x = 5,020,512.55/3,439.12
  6. Step 6: Final answer
    x = 1,459.82

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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.