Home / 2,919.24-4,381.02-1,071.50

Finding the Fourth Proportional to 2,919.24, 4,381.02 and 1,071.50

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Solution

The fourth proportional to 2,919.24, 4,381.02 and 1,071.50 is: 1,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.24 : 4,381.02 = 1,071.50 : x
  2. Step 2: Convert to fraction form
    2,919.24/4,381.02 = 1,071.50/x
  3. Step 3: Cross multiply
    2,919.24x = 4,381.02 × 1,071.50
  4. Step 4: Simplify right side
    2,919.24x = 4,694,241.02
  5. Step 5: Solve for x
    x = 4,694,241.02/2,919.24
  6. Step 6: Final answer
    x = 1,608.04

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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.