Home / 3,048.24-4,206.56-1,721.88

Finding the Fourth Proportional to 3,048.24, 4,206.56 and 1,721.88

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Solution

The fourth proportional to 3,048.24, 4,206.56 and 1,721.88 is: 2,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.24 : 4,206.56 = 1,721.88 : x
  2. Step 2: Convert to fraction form
    3,048.24/4,206.56 = 1,721.88/x
  3. Step 3: Cross multiply
    3,048.24x = 4,206.56 × 1,721.88
  4. Step 4: Simplify right side
    3,048.24x = 7,243,191.53
  5. Step 5: Solve for x
    x = 7,243,191.53/3,048.24
  6. Step 6: Final answer
    x = 2,376.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.