Home / 1,546.81-2,320.52-681.13

Finding the Fourth Proportional to 1,546.81, 2,320.52 and 681.13

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Solution

The fourth proportional to 1,546.81, 2,320.52 and 681.13 is: 1,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.81 : 2,320.52 = 681.13 : x
  2. Step 2: Convert to fraction form
    1,546.81/2,320.52 = 681.13/x
  3. Step 3: Cross multiply
    1,546.81x = 2,320.52 × 681.13
  4. Step 4: Simplify right side
    1,546.81x = 1,580,565.89
  5. Step 5: Solve for x
    x = 1,580,565.89/1,546.81
  6. Step 6: Final answer
    x = 1,021.82

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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.