Home / 2,897.64-4,347.18-1,338.74

Finding the Fourth Proportional to 2,897.64, 4,347.18 and 1,338.74

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Solution

The fourth proportional to 2,897.64, 4,347.18 and 1,338.74 is: 2,008.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.64 : 4,347.18 = 1,338.74 : x
  2. Step 2: Convert to fraction form
    2,897.64/4,347.18 = 1,338.74/x
  3. Step 3: Cross multiply
    2,897.64x = 4,347.18 × 1,338.74
  4. Step 4: Simplify right side
    2,897.64x = 5,819,743.75
  5. Step 5: Solve for x
    x = 5,819,743.75/2,897.64
  6. Step 6: Final answer
    x = 2,008.44

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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.