Home / 2,899.13-4,356.79-1,729.35

Finding the Fourth Proportional to 2,899.13, 4,356.79 and 1,729.35

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Solution

The fourth proportional to 2,899.13, 4,356.79 and 1,729.35 is: 2,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.13 : 4,356.79 = 1,729.35 : x
  2. Step 2: Convert to fraction form
    2,899.13/4,356.79 = 1,729.35/x
  3. Step 3: Cross multiply
    2,899.13x = 4,356.79 × 1,729.35
  4. Step 4: Simplify right side
    2,899.13x = 7,534,410.46
  5. Step 5: Solve for x
    x = 7,534,410.46/2,899.13
  6. Step 6: Final answer
    x = 2,598.86

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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.