Home / 3,901.78-5,851.45-1,304.11

Finding the Fourth Proportional to 3,901.78, 5,851.45 and 1,304.11

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Solution

The fourth proportional to 3,901.78, 5,851.45 and 1,304.11 is: 1,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.78 : 5,851.45 = 1,304.11 : x
  2. Step 2: Convert to fraction form
    3,901.78/5,851.45 = 1,304.11/x
  3. Step 3: Cross multiply
    3,901.78x = 5,851.45 × 1,304.11
  4. Step 4: Simplify right side
    3,901.78x = 7,630,934.46
  5. Step 5: Solve for x
    x = 7,630,934.46/3,901.78
  6. Step 6: Final answer
    x = 1,955.76

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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.