Home / 2,697.64-4,044.90-1,398.76

Finding the Fourth Proportional to 2,697.64, 4,044.90 and 1,398.76

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Solution

The fourth proportional to 2,697.64, 4,044.90 and 1,398.76 is: 2,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.64 : 4,044.90 = 1,398.76 : x
  2. Step 2: Convert to fraction form
    2,697.64/4,044.90 = 1,398.76/x
  3. Step 3: Cross multiply
    2,697.64x = 4,044.90 × 1,398.76
  4. Step 4: Simplify right side
    2,697.64x = 5,657,844.32
  5. Step 5: Solve for x
    x = 5,657,844.32/2,697.64
  6. Step 6: Final answer
    x = 2,097.33

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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.