Home / 1,304.55-1,966.40-1,229.28

Finding the Fourth Proportional to 1,304.55, 1,966.40 and 1,229.28

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Solution

The fourth proportional to 1,304.55, 1,966.40 and 1,229.28 is: 1,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.55 : 1,966.40 = 1,229.28 : x
  2. Step 2: Convert to fraction form
    1,304.55/1,966.40 = 1,229.28/x
  3. Step 3: Cross multiply
    1,304.55x = 1,966.40 × 1,229.28
  4. Step 4: Simplify right side
    1,304.55x = 2,417,250.05
  5. Step 5: Solve for x
    x = 2,417,250.05/1,304.55
  6. Step 6: Final answer
    x = 1,852.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.