Home / 3,721.74-5,583.57-1,642.20

Finding the Fourth Proportional to 3,721.74, 5,583.57 and 1,642.20

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Solution

The fourth proportional to 3,721.74, 5,583.57 and 1,642.20 is: 2,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.74 : 5,583.57 = 1,642.20 : x
  2. Step 2: Convert to fraction form
    3,721.74/5,583.57 = 1,642.20/x
  3. Step 3: Cross multiply
    3,721.74x = 5,583.57 × 1,642.20
  4. Step 4: Simplify right side
    3,721.74x = 9,169,338.65
  5. Step 5: Solve for x
    x = 9,169,338.65/3,721.74
  6. Step 6: Final answer
    x = 2,463.72

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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.