Home / 2,278.98-3,417.86-962.75

Finding the Fourth Proportional to 2,278.98, 3,417.86 and 962.75

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Solution

The fourth proportional to 2,278.98, 3,417.86 and 962.75 is: 1,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.98 : 3,417.86 = 962.75 : x
  2. Step 2: Convert to fraction form
    2,278.98/3,417.86 = 962.75/x
  3. Step 3: Cross multiply
    2,278.98x = 3,417.86 × 962.75
  4. Step 4: Simplify right side
    2,278.98x = 3,290,522.81
  5. Step 5: Solve for x
    x = 3,290,522.81/2,278.98
  6. Step 6: Final answer
    x = 1,443.86

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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.