Home / 2,357.91-3,538.04-1,125.09

Finding the Fourth Proportional to 2,357.91, 3,538.04 and 1,125.09

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Solution

The fourth proportional to 2,357.91, 3,538.04 and 1,125.09 is: 1,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.91 : 3,538.04 = 1,125.09 : x
  2. Step 2: Convert to fraction form
    2,357.91/3,538.04 = 1,125.09/x
  3. Step 3: Cross multiply
    2,357.91x = 3,538.04 × 1,125.09
  4. Step 4: Simplify right side
    2,357.91x = 3,980,607.80
  5. Step 5: Solve for x
    x = 3,980,607.80/2,357.91
  6. Step 6: Final answer
    x = 1,688.19

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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.