Home / 2,970.75-4,092.48-2,498.65

Finding the Fourth Proportional to 2,970.75, 4,092.48 and 2,498.65

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Solution

The fourth proportional to 2,970.75, 4,092.48 and 2,498.65 is: 3,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.75 : 4,092.48 = 2,498.65 : x
  2. Step 2: Convert to fraction form
    2,970.75/4,092.48 = 2,498.65/x
  3. Step 3: Cross multiply
    2,970.75x = 4,092.48 × 2,498.65
  4. Step 4: Simplify right side
    2,970.75x = 10,225,680.27
  5. Step 5: Solve for x
    x = 10,225,680.27/2,970.75
  6. Step 6: Final answer
    x = 3,442.13

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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.