Home / 1,831.36-2,740.65-1,498.45

Finding the Fourth Proportional to 1,831.36, 2,740.65 and 1,498.45

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Solution

The fourth proportional to 1,831.36, 2,740.65 and 1,498.45 is: 2,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.36 : 2,740.65 = 1,498.45 : x
  2. Step 2: Convert to fraction form
    1,831.36/2,740.65 = 1,498.45/x
  3. Step 3: Cross multiply
    1,831.36x = 2,740.65 × 1,498.45
  4. Step 4: Simplify right side
    1,831.36x = 4,106,726.99
  5. Step 5: Solve for x
    x = 4,106,726.99/1,831.36
  6. Step 6: Final answer
    x = 2,242.45

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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.