Home / 1,888.38-2,831.29-1,010.14

Finding the Fourth Proportional to 1,888.38, 2,831.29 and 1,010.14

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Solution

The fourth proportional to 1,888.38, 2,831.29 and 1,010.14 is: 1,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.38 : 2,831.29 = 1,010.14 : x
  2. Step 2: Convert to fraction form
    1,888.38/2,831.29 = 1,010.14/x
  3. Step 3: Cross multiply
    1,888.38x = 2,831.29 × 1,010.14
  4. Step 4: Simplify right side
    1,888.38x = 2,859,989.68
  5. Step 5: Solve for x
    x = 2,859,989.68/1,888.38
  6. Step 6: Final answer
    x = 1,514.52

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1.5x scale

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.