Home / 2,871.19-4,306.76-1,897.06

Finding the Fourth Proportional to 2,871.19, 4,306.76 and 1,897.06

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Solution

The fourth proportional to 2,871.19, 4,306.76 and 1,897.06 is: 2,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.19 : 4,306.76 = 1,897.06 : x
  2. Step 2: Convert to fraction form
    2,871.19/4,306.76 = 1,897.06/x
  3. Step 3: Cross multiply
    2,871.19x = 4,306.76 × 1,897.06
  4. Step 4: Simplify right side
    2,871.19x = 8,170,151.11
  5. Step 5: Solve for x
    x = 8,170,151.11/2,871.19
  6. Step 6: Final answer
    x = 2,845.57

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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.