Home / 1,831.26-2,748.63-1,011.29

Finding the Fourth Proportional to 1,831.26, 2,748.63 and 1,011.29

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Solution

The fourth proportional to 1,831.26, 2,748.63 and 1,011.29 is: 1,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.26 : 2,748.63 = 1,011.29 : x
  2. Step 2: Convert to fraction form
    1,831.26/2,748.63 = 1,011.29/x
  3. Step 3: Cross multiply
    1,831.26x = 2,748.63 × 1,011.29
  4. Step 4: Simplify right side
    1,831.26x = 2,779,652.08
  5. Step 5: Solve for x
    x = 2,779,652.08/1,831.26
  6. Step 6: Final answer
    x = 1,517.89

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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.