Home / 3,421.01-5,132.28-1,200.17

Finding the Fourth Proportional to 3,421.01, 5,132.28 and 1,200.17

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Solution

The fourth proportional to 3,421.01, 5,132.28 and 1,200.17 is: 1,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.01 : 5,132.28 = 1,200.17 : x
  2. Step 2: Convert to fraction form
    3,421.01/5,132.28 = 1,200.17/x
  3. Step 3: Cross multiply
    3,421.01x = 5,132.28 × 1,200.17
  4. Step 4: Simplify right side
    3,421.01x = 6,159,608.49
  5. Step 5: Solve for x
    x = 6,159,608.49/3,421.01
  6. Step 6: Final answer
    x = 1,800.52

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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.