Home / 3,612.28-4,986.76-2,670.52

Finding the Fourth Proportional to 3,612.28, 4,986.76 and 2,670.52

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Solution

The fourth proportional to 3,612.28, 4,986.76 and 2,670.52 is: 3,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.28 : 4,986.76 = 2,670.52 : x
  2. Step 2: Convert to fraction form
    3,612.28/4,986.76 = 2,670.52/x
  3. Step 3: Cross multiply
    3,612.28x = 4,986.76 × 2,670.52
  4. Step 4: Simplify right side
    3,612.28x = 13,317,242.32
  5. Step 5: Solve for x
    x = 13,317,242.32/3,612.28
  6. Step 6: Final answer
    x = 3,686.66

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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.