Home / 1,971.83-2,719.49-1,475.66

Finding the Fourth Proportional to 1,971.83, 2,719.49 and 1,475.66

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Solution

The fourth proportional to 1,971.83, 2,719.49 and 1,475.66 is: 2,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.83 : 2,719.49 = 1,475.66 : x
  2. Step 2: Convert to fraction form
    1,971.83/2,719.49 = 1,475.66/x
  3. Step 3: Cross multiply
    1,971.83x = 2,719.49 × 1,475.66
  4. Step 4: Simplify right side
    1,971.83x = 4,013,042.61
  5. Step 5: Solve for x
    x = 4,013,042.61/1,971.83
  6. Step 6: Final answer
    x = 2,035.19

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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.