Home / 3,721.53-5,581.95-1,256.02

Finding the Fourth Proportional to 3,721.53, 5,581.95 and 1,256.02

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Solution

The fourth proportional to 3,721.53, 5,581.95 and 1,256.02 is: 1,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.53 : 5,581.95 = 1,256.02 : x
  2. Step 2: Convert to fraction form
    3,721.53/5,581.95 = 1,256.02/x
  3. Step 3: Cross multiply
    3,721.53x = 5,581.95 × 1,256.02
  4. Step 4: Simplify right side
    3,721.53x = 7,011,040.84
  5. Step 5: Solve for x
    x = 7,011,040.84/3,721.53
  6. Step 6: Final answer
    x = 1,883.91

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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.