Home / 2,462.13-3,398.76-1,831.55

Finding the Fourth Proportional to 2,462.13, 3,398.76 and 1,831.55

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Solution

The fourth proportional to 2,462.13, 3,398.76 and 1,831.55 is: 2,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.13 : 3,398.76 = 1,831.55 : x
  2. Step 2: Convert to fraction form
    2,462.13/3,398.76 = 1,831.55/x
  3. Step 3: Cross multiply
    2,462.13x = 3,398.76 × 1,831.55
  4. Step 4: Simplify right side
    2,462.13x = 6,224,981.88
  5. Step 5: Solve for x
    x = 6,224,981.88/2,462.13
  6. Step 6: Final answer
    x = 2,528.29

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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.