Home / 2,876.24-4,315.48-1,145.04

Finding the Fourth Proportional to 2,876.24, 4,315.48 and 1,145.04

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Solution

The fourth proportional to 2,876.24, 4,315.48 and 1,145.04 is: 1,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.24 : 4,315.48 = 1,145.04 : x
  2. Step 2: Convert to fraction form
    2,876.24/4,315.48 = 1,145.04/x
  3. Step 3: Cross multiply
    2,876.24x = 4,315.48 × 1,145.04
  4. Step 4: Simplify right side
    2,876.24x = 4,941,397.22
  5. Step 5: Solve for x
    x = 4,941,397.22/2,876.24
  6. Step 6: Final answer
    x = 1,718.01

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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.