Home / 3,154.44-4,728.91-1,304.40

Finding the Fourth Proportional to 3,154.44, 4,728.91 and 1,304.40

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Solution

The fourth proportional to 3,154.44, 4,728.91 and 1,304.40 is: 1,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.44 : 4,728.91 = 1,304.40 : x
  2. Step 2: Convert to fraction form
    3,154.44/4,728.91 = 1,304.40/x
  3. Step 3: Cross multiply
    3,154.44x = 4,728.91 × 1,304.40
  4. Step 4: Simplify right side
    3,154.44x = 6,168,390.20
  5. Step 5: Solve for x
    x = 6,168,390.20/3,154.44
  6. Step 6: Final answer
    x = 1,955.46

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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.