Home / 1,831.51-2,748.03-1,009.72

Finding the Fourth Proportional to 1,831.51, 2,748.03 and 1,009.72

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Solution

The fourth proportional to 1,831.51, 2,748.03 and 1,009.72 is: 1,514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.51 : 2,748.03 = 1,009.72 : x
  2. Step 2: Convert to fraction form
    1,831.51/2,748.03 = 1,009.72/x
  3. Step 3: Cross multiply
    1,831.51x = 2,748.03 × 1,009.72
  4. Step 4: Simplify right side
    1,831.51x = 2,774,725.04
  5. Step 5: Solve for x
    x = 2,774,725.04/1,831.51
  6. Step 6: Final answer
    x = 1,514.99

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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.