Home / 3,148.07-4,342.14-2,672.69

Finding the Fourth Proportional to 3,148.07, 4,342.14 and 2,672.69

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Solution

The fourth proportional to 3,148.07, 4,342.14 and 2,672.69 is: 3,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.07 : 4,342.14 = 2,672.69 : x
  2. Step 2: Convert to fraction form
    3,148.07/4,342.14 = 2,672.69/x
  3. Step 3: Cross multiply
    3,148.07x = 4,342.14 × 2,672.69
  4. Step 4: Simplify right side
    3,148.07x = 11,605,194.16
  5. Step 5: Solve for x
    x = 11,605,194.16/3,148.07
  6. Step 6: Final answer
    x = 3,686.45

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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.