Home / 2,897.22-4,347.29-1,143.48

Finding the Fourth Proportional to 2,897.22, 4,347.29 and 1,143.48

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Solution

The fourth proportional to 2,897.22, 4,347.29 and 1,143.48 is: 1,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.22 : 4,347.29 = 1,143.48 : x
  2. Step 2: Convert to fraction form
    2,897.22/4,347.29 = 1,143.48/x
  3. Step 3: Cross multiply
    2,897.22x = 4,347.29 × 1,143.48
  4. Step 4: Simplify right side
    2,897.22x = 4,971,011.72
  5. Step 5: Solve for x
    x = 4,971,011.72/2,897.22
  6. Step 6: Final answer
    x = 1,715.79

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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.