Home / 1,897.56-2,617.38-1,199.88

Finding the Fourth Proportional to 1,897.56, 2,617.38 and 1,199.88

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Solution

The fourth proportional to 1,897.56, 2,617.38 and 1,199.88 is: 1,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.56 : 2,617.38 = 1,199.88 : x
  2. Step 2: Convert to fraction form
    1,897.56/2,617.38 = 1,199.88/x
  3. Step 3: Cross multiply
    1,897.56x = 2,617.38 × 1,199.88
  4. Step 4: Simplify right side
    1,897.56x = 3,140,541.91
  5. Step 5: Solve for x
    x = 3,140,541.91/1,897.56
  6. Step 6: Final answer
    x = 1,655.04

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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.