Home / 1,897.04-2,616.97-1,267.76

Finding the Fourth Proportional to 1,897.04, 2,616.97 and 1,267.76

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Solution

The fourth proportional to 1,897.04, 2,616.97 and 1,267.76 is: 1,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.04 : 2,616.97 = 1,267.76 : x
  2. Step 2: Convert to fraction form
    1,897.04/2,616.97 = 1,267.76/x
  3. Step 3: Cross multiply
    1,897.04x = 2,616.97 × 1,267.76
  4. Step 4: Simplify right side
    1,897.04x = 3,317,695.58
  5. Step 5: Solve for x
    x = 3,317,695.58/1,897.04
  6. Step 6: Final answer
    x = 1,748.88

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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.