Home / 3,434.61-5,148.82-1,242.84

Finding the Fourth Proportional to 3,434.61, 5,148.82 and 1,242.84

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Solution

The fourth proportional to 3,434.61, 5,148.82 and 1,242.84 is: 1,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.61 : 5,148.82 = 1,242.84 : x
  2. Step 2: Convert to fraction form
    3,434.61/5,148.82 = 1,242.84/x
  3. Step 3: Cross multiply
    3,434.61x = 5,148.82 × 1,242.84
  4. Step 4: Simplify right side
    3,434.61x = 6,399,159.45
  5. Step 5: Solve for x
    x = 6,399,159.45/3,434.61
  6. Step 6: Final answer
    x = 1,863.14

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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.