Home / 1,831.39-2,527.77-1,045.90

Finding the Fourth Proportional to 1,831.39, 2,527.77 and 1,045.90

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Solution

The fourth proportional to 1,831.39, 2,527.77 and 1,045.90 is: 1,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.39 : 2,527.77 = 1,045.90 : x
  2. Step 2: Convert to fraction form
    1,831.39/2,527.77 = 1,045.90/x
  3. Step 3: Cross multiply
    1,831.39x = 2,527.77 × 1,045.90
  4. Step 4: Simplify right side
    1,831.39x = 2,643,785.93
  5. Step 5: Solve for x
    x = 2,643,785.93/1,831.39
  6. Step 6: Final answer
    x = 1,443.59

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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.