Home / 2,969.10-4,095.90-2,531.70

Finding the Fourth Proportional to 2,969.10, 4,095.90 and 2,531.70

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Solution

The fourth proportional to 2,969.10, 4,095.90 and 2,531.70 is: 3,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.10 : 4,095.90 = 2,531.70 : x
  2. Step 2: Convert to fraction form
    2,969.10/4,095.90 = 2,531.70/x
  3. Step 3: Cross multiply
    2,969.10x = 4,095.90 × 2,531.70
  4. Step 4: Simplify right side
    2,969.10x = 10,369,590.03
  5. Step 5: Solve for x
    x = 10,369,590.03/2,969.10
  6. Step 6: Final answer
    x = 3,492.50

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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.