Home / 2,980.98-4,104.40-2,531.93

Finding the Fourth Proportional to 2,980.98, 4,104.40 and 2,531.93

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Solution

The fourth proportional to 2,980.98, 4,104.40 and 2,531.93 is: 3,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.98 : 4,104.40 = 2,531.93 : x
  2. Step 2: Convert to fraction form
    2,980.98/4,104.40 = 2,531.93/x
  3. Step 3: Cross multiply
    2,980.98x = 4,104.40 × 2,531.93
  4. Step 4: Simplify right side
    2,980.98x = 10,392,053.49
  5. Step 5: Solve for x
    x = 10,392,053.49/2,980.98
  6. Step 6: Final answer
    x = 3,486.12

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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.