Home / 1,985.66-2,740.17-1,101.46

Finding the Fourth Proportional to 1,985.66, 2,740.17 and 1,101.46

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Solution

The fourth proportional to 1,985.66, 2,740.17 and 1,101.46 is: 1,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.66 : 2,740.17 = 1,101.46 : x
  2. Step 2: Convert to fraction form
    1,985.66/2,740.17 = 1,101.46/x
  3. Step 3: Cross multiply
    1,985.66x = 2,740.17 × 1,101.46
  4. Step 4: Simplify right side
    1,985.66x = 3,018,187.65
  5. Step 5: Solve for x
    x = 3,018,187.65/1,985.66
  6. Step 6: Final answer
    x = 1,519.99

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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.