Home / 1,897.18-2,618.03-1,057.91

Finding the Fourth Proportional to 1,897.18, 2,618.03 and 1,057.91

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Solution

The fourth proportional to 1,897.18, 2,618.03 and 1,057.91 is: 1,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.18 : 2,618.03 = 1,057.91 : x
  2. Step 2: Convert to fraction form
    1,897.18/2,618.03 = 1,057.91/x
  3. Step 3: Cross multiply
    1,897.18x = 2,618.03 × 1,057.91
  4. Step 4: Simplify right side
    1,897.18x = 2,769,634.83
  5. Step 5: Solve for x
    x = 2,769,634.83/1,897.18
  6. Step 6: Final answer
    x = 1,459.87

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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.