Home / 3,670.80-5,065.63-2,077.42

Finding the Fourth Proportional to 3,670.80, 5,065.63 and 2,077.42

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Solution

The fourth proportional to 3,670.80, 5,065.63 and 2,077.42 is: 2,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.80 : 5,065.63 = 2,077.42 : x
  2. Step 2: Convert to fraction form
    3,670.80/5,065.63 = 2,077.42/x
  3. Step 3: Cross multiply
    3,670.80x = 5,065.63 × 2,077.42
  4. Step 4: Simplify right side
    3,670.80x = 10,523,441.07
  5. Step 5: Solve for x
    x = 10,523,441.07/3,670.80
  6. Step 6: Final answer
    x = 2,866.80

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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.