Home / 3,440.88-4,747.59-1,948.47

Finding the Fourth Proportional to 3,440.88, 4,747.59 and 1,948.47

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Solution

The fourth proportional to 3,440.88, 4,747.59 and 1,948.47 is: 2,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.88 : 4,747.59 = 1,948.47 : x
  2. Step 2: Convert to fraction form
    3,440.88/4,747.59 = 1,948.47/x
  3. Step 3: Cross multiply
    3,440.88x = 4,747.59 × 1,948.47
  4. Step 4: Simplify right side
    3,440.88x = 9,250,536.69
  5. Step 5: Solve for x
    x = 9,250,536.69/3,440.88
  6. Step 6: Final answer
    x = 2,688.42

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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.