Home / 2,621.87-3,618.19-1,502.83

Finding the Fourth Proportional to 2,621.87, 3,618.19 and 1,502.83

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Solution

The fourth proportional to 2,621.87, 3,618.19 and 1,502.83 is: 2,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.87 : 3,618.19 = 1,502.83 : x
  2. Step 2: Convert to fraction form
    2,621.87/3,618.19 = 1,502.83/x
  3. Step 3: Cross multiply
    2,621.87x = 3,618.19 × 1,502.83
  4. Step 4: Simplify right side
    2,621.87x = 5,437,524.48
  5. Step 5: Solve for x
    x = 5,437,524.48/2,621.87
  6. Step 6: Final answer
    x = 2,073.91

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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.