Home / 1,742.66-2,405.12-1,113

Finding the Fourth Proportional to 1,742.66, 2,405.12 and 1,113

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Solution

The fourth proportional to 1,742.66, 2,405.12 and 1,113 is: 1,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.66 : 2,405.12 = 1,113 : x
  2. Step 2: Convert to fraction form
    1,742.66/2,405.12 = 1,113/x
  3. Step 3: Cross multiply
    1,742.66x = 2,405.12 × 1,113
  4. Step 4: Simplify right side
    1,742.66x = 2,676,898.56
  5. Step 5: Solve for x
    x = 2,676,898.56/1,742.66
  6. Step 6: Final answer
    x = 1,536.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.