Home / 1,113.30-1,669.11-536.02

Finding the Fourth Proportional to 1,113.30, 1,669.11 and 536.02

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Solution

The fourth proportional to 1,113.30, 1,669.11 and 536.02 is: 803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113.30 : 1,669.11 = 536.02 : x
  2. Step 2: Convert to fraction form
    1,113.30/1,669.11 = 536.02/x
  3. Step 3: Cross multiply
    1,113.30x = 1,669.11 × 536.02
  4. Step 4: Simplify right side
    1,113.30x = 894,676.34
  5. Step 5: Solve for x
    x = 894,676.34/1,113.30
  6. Step 6: Final answer
    x = 803.63

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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.