Home / 2,349.42-3,521.48-1,115.12

Finding the Fourth Proportional to 2,349.42, 3,521.48 and 1,115.12

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Solution

The fourth proportional to 2,349.42, 3,521.48 and 1,115.12 is: 1,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.42 : 3,521.48 = 1,115.12 : x
  2. Step 2: Convert to fraction form
    2,349.42/3,521.48 = 1,115.12/x
  3. Step 3: Cross multiply
    2,349.42x = 3,521.48 × 1,115.12
  4. Step 4: Simplify right side
    2,349.42x = 3,926,849.59
  5. Step 5: Solve for x
    x = 3,926,849.59/2,349.42
  6. Step 6: Final answer
    x = 1,671.41

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1.5x scale

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.