Home / 2,970.11-4,098.74-1,791.24

Finding the Fourth Proportional to 2,970.11, 4,098.74 and 1,791.24

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Solution

The fourth proportional to 2,970.11, 4,098.74 and 1,791.24 is: 2,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.11 : 4,098.74 = 1,791.24 : x
  2. Step 2: Convert to fraction form
    2,970.11/4,098.74 = 1,791.24/x
  3. Step 3: Cross multiply
    2,970.11x = 4,098.74 × 1,791.24
  4. Step 4: Simplify right side
    2,970.11x = 7,341,818.08
  5. Step 5: Solve for x
    x = 7,341,818.08/2,970.11
  6. Step 6: Final answer
    x = 2,471.91

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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.