Home / 3,666.65-5,051.42-2,999.61

Finding the Fourth Proportional to 3,666.65, 5,051.42 and 2,999.61

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Solution

The fourth proportional to 3,666.65, 5,051.42 and 2,999.61 is: 4,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.65 : 5,051.42 = 2,999.61 : x
  2. Step 2: Convert to fraction form
    3,666.65/5,051.42 = 2,999.61/x
  3. Step 3: Cross multiply
    3,666.65x = 5,051.42 × 2,999.61
  4. Step 4: Simplify right side
    3,666.65x = 15,152,274.95
  5. Step 5: Solve for x
    x = 15,152,274.95/3,666.65
  6. Step 6: Final answer
    x = 4,132.46

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1.5x scale

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.