Home / 4,142.21-5,715.72-2,349.59

Finding the Fourth Proportional to 4,142.21, 5,715.72 and 2,349.59

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Solution

The fourth proportional to 4,142.21, 5,715.72 and 2,349.59 is: 3,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.21 : 5,715.72 = 2,349.59 : x
  2. Step 2: Convert to fraction form
    4,142.21/5,715.72 = 2,349.59/x
  3. Step 3: Cross multiply
    4,142.21x = 5,715.72 × 2,349.59
  4. Step 4: Simplify right side
    4,142.21x = 13,429,569.98
  5. Step 5: Solve for x
    x = 13,429,569.98/4,142.21
  6. Step 6: Final answer
    x = 3,242.13

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1.5x scale

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.