Home / 4,307.26-5,938.02-2,891.20

Finding the Fourth Proportional to 4,307.26, 5,938.02 and 2,891.20

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Solution

The fourth proportional to 4,307.26, 5,938.02 and 2,891.20 is: 3,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.26 : 5,938.02 = 2,891.20 : x
  2. Step 2: Convert to fraction form
    4,307.26/5,938.02 = 2,891.20/x
  3. Step 3: Cross multiply
    4,307.26x = 5,938.02 × 2,891.20
  4. Step 4: Simplify right side
    4,307.26x = 17,168,003.42
  5. Step 5: Solve for x
    x = 17,168,003.42/4,307.26
  6. Step 6: Final answer
    x = 3,985.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.