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Finding the Fourth Proportional to 2,470.99, 3,411.20 and 1,910.19

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Solution

The fourth proportional to 2,470.99, 3,411.20 and 1,910.19 is: 2,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.99 : 3,411.20 = 1,910.19 : x
  2. Step 2: Convert to fraction form
    2,470.99/3,411.20 = 1,910.19/x
  3. Step 3: Cross multiply
    2,470.99x = 3,411.20 × 1,910.19
  4. Step 4: Simplify right side
    2,470.99x = 6,516,044.90
  5. Step 5: Solve for x
    x = 6,516,044.90/2,470.99
  6. Step 6: Final answer
    x = 2,637.02

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1.5x scale

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.