Home / 3,010.07-4,515.15-1,976.65

Finding the Fourth Proportional to 3,010.07, 4,515.15 and 1,976.65

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Solution

The fourth proportional to 3,010.07, 4,515.15 and 1,976.65 is: 2,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.07 : 4,515.15 = 1,976.65 : x
  2. Step 2: Convert to fraction form
    3,010.07/4,515.15 = 1,976.65/x
  3. Step 3: Cross multiply
    3,010.07x = 4,515.15 × 1,976.65
  4. Step 4: Simplify right side
    3,010.07x = 8,924,871.25
  5. Step 5: Solve for x
    x = 8,924,871.25/3,010.07
  6. Step 6: Final answer
    x = 2,965.00

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1.5x scale

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.