Home / 2,963.48-4,088.70-1,721.24

Finding the Fourth Proportional to 2,963.48, 4,088.70 and 1,721.24

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Solution

The fourth proportional to 2,963.48, 4,088.70 and 1,721.24 is: 2,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.48 : 4,088.70 = 1,721.24 : x
  2. Step 2: Convert to fraction form
    2,963.48/4,088.70 = 1,721.24/x
  3. Step 3: Cross multiply
    2,963.48x = 4,088.70 × 1,721.24
  4. Step 4: Simplify right side
    2,963.48x = 7,037,633.99
  5. Step 5: Solve for x
    x = 7,037,633.99/2,963.48
  6. Step 6: Final answer
    x = 2,374.79

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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.