Home / 1,831.11-2,740.28-1,498.20

Finding the Fourth Proportional to 1,831.11, 2,740.28 and 1,498.20

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Solution

The fourth proportional to 1,831.11, 2,740.28 and 1,498.20 is: 2,242.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.11 : 2,740.28 = 1,498.20 : x
  2. Step 2: Convert to fraction form
    1,831.11/2,740.28 = 1,498.20/x
  3. Step 3: Cross multiply
    1,831.11x = 2,740.28 × 1,498.20
  4. Step 4: Simplify right side
    1,831.11x = 4,105,480.01
  5. Step 5: Solve for x
    x = 4,105,480.01/1,831.11
  6. Step 6: Final answer
    x = 2,242.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.