Home / 2,624.03-3,931.95-1,391.11

Finding the Fourth Proportional to 2,624.03, 3,931.95 and 1,391.11

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Solution

The fourth proportional to 2,624.03, 3,931.95 and 1,391.11 is: 2,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.03 : 3,931.95 = 1,391.11 : x
  2. Step 2: Convert to fraction form
    2,624.03/3,931.95 = 1,391.11/x
  3. Step 3: Cross multiply
    2,624.03x = 3,931.95 × 1,391.11
  4. Step 4: Simplify right side
    2,624.03x = 5,469,774.96
  5. Step 5: Solve for x
    x = 5,469,774.96/2,624.03
  6. Step 6: Final answer
    x = 2,084.49

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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.