Home / 3,613.61-4,986.79-2,041.70

Finding the Fourth Proportional to 3,613.61, 4,986.79 and 2,041.70

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Solution

The fourth proportional to 3,613.61, 4,986.79 and 2,041.70 is: 2,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.61 : 4,986.79 = 2,041.70 : x
  2. Step 2: Convert to fraction form
    3,613.61/4,986.79 = 2,041.70/x
  3. Step 3: Cross multiply
    3,613.61x = 4,986.79 × 2,041.70
  4. Step 4: Simplify right side
    3,613.61x = 10,181,541.61
  5. Step 5: Solve for x
    x = 10,181,541.61/3,613.61
  6. Step 6: Final answer
    x = 2,817.55

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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.