Home / 3,162.90-4,742.01-1,602.18

Finding the Fourth Proportional to 3,162.90, 4,742.01 and 1,602.18

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Solution

The fourth proportional to 3,162.90, 4,742.01 and 1,602.18 is: 2,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.90 : 4,742.01 = 1,602.18 : x
  2. Step 2: Convert to fraction form
    3,162.90/4,742.01 = 1,602.18/x
  3. Step 3: Cross multiply
    3,162.90x = 4,742.01 × 1,602.18
  4. Step 4: Simplify right side
    3,162.90x = 7,597,553.58
  5. Step 5: Solve for x
    x = 7,597,553.58/3,162.90
  6. Step 6: Final answer
    x = 2,402.08

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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.