Home / 2,900.63-4,002.17-1,721.04

Finding the Fourth Proportional to 2,900.63, 4,002.17 and 1,721.04

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Solution

The fourth proportional to 2,900.63, 4,002.17 and 1,721.04 is: 2,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.63 : 4,002.17 = 1,721.04 : x
  2. Step 2: Convert to fraction form
    2,900.63/4,002.17 = 1,721.04/x
  3. Step 3: Cross multiply
    2,900.63x = 4,002.17 × 1,721.04
  4. Step 4: Simplify right side
    2,900.63x = 6,887,886.05
  5. Step 5: Solve for x
    x = 6,887,886.05/2,900.63
  6. Step 6: Final answer
    x = 2,374.62

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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.