Home / 2,470.10-3,407.28-1,712.70

Finding the Fourth Proportional to 2,470.10, 3,407.28 and 1,712.70

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Solution

The fourth proportional to 2,470.10, 3,407.28 and 1,712.70 is: 2,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.10 : 3,407.28 = 1,712.70 : x
  2. Step 2: Convert to fraction form
    2,470.10/3,407.28 = 1,712.70/x
  3. Step 3: Cross multiply
    2,470.10x = 3,407.28 × 1,712.70
  4. Step 4: Simplify right side
    2,470.10x = 5,835,648.46
  5. Step 5: Solve for x
    x = 5,835,648.46/2,470.10
  6. Step 6: Final answer
    x = 2,362.52

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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.