Home / 1,402.18-2,104.20-536.46

Finding the Fourth Proportional to 1,402.18, 2,104.20 and 536.46

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Solution

The fourth proportional to 1,402.18, 2,104.20 and 536.46 is: 805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.18 : 2,104.20 = 536.46 : x
  2. Step 2: Convert to fraction form
    1,402.18/2,104.20 = 536.46/x
  3. Step 3: Cross multiply
    1,402.18x = 2,104.20 × 536.46
  4. Step 4: Simplify right side
    1,402.18x = 1,128,819.13
  5. Step 5: Solve for x
    x = 1,128,819.13/1,402.18
  6. Step 6: Final answer
    x = 805.05

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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.