Home / 2,357.11-3,536.69-1,124.53

Finding the Fourth Proportional to 2,357.11, 3,536.69 and 1,124.53

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Solution

The fourth proportional to 2,357.11, 3,536.69 and 1,124.53 is: 1,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.11 : 3,536.69 = 1,124.53 : x
  2. Step 2: Convert to fraction form
    2,357.11/3,536.69 = 1,124.53/x
  3. Step 3: Cross multiply
    2,357.11x = 3,536.69 × 1,124.53
  4. Step 4: Simplify right side
    2,357.11x = 3,977,114.01
  5. Step 5: Solve for x
    x = 3,977,114.01/2,357.11
  6. Step 6: Final answer
    x = 1,687.28

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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.