Home / 2,904.80-4,008.98-1,725.88

Finding the Fourth Proportional to 2,904.80, 4,008.98 and 1,725.88

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Solution

The fourth proportional to 2,904.80, 4,008.98 and 1,725.88 is: 2,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.80 : 4,008.98 = 1,725.88 : x
  2. Step 2: Convert to fraction form
    2,904.80/4,008.98 = 1,725.88/x
  3. Step 3: Cross multiply
    2,904.80x = 4,008.98 × 1,725.88
  4. Step 4: Simplify right side
    2,904.80x = 6,918,999.75
  5. Step 5: Solve for x
    x = 6,918,999.75/2,904.80
  6. Step 6: Final answer
    x = 2,381.92

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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.