Home / 1,831.26-2,527.29-1,045.38

Finding the Fourth Proportional to 1,831.26, 2,527.29 and 1,045.38

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Solution

The fourth proportional to 1,831.26, 2,527.29 and 1,045.38 is: 1,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.26 : 2,527.29 = 1,045.38 : x
  2. Step 2: Convert to fraction form
    1,831.26/2,527.29 = 1,045.38/x
  3. Step 3: Cross multiply
    1,831.26x = 2,527.29 × 1,045.38
  4. Step 4: Simplify right side
    1,831.26x = 2,641,978.42
  5. Step 5: Solve for x
    x = 2,641,978.42/1,831.26
  6. Step 6: Final answer
    x = 1,442.71

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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.