Home / 2,452.23-3,678.80-809.93

Finding the Fourth Proportional to 2,452.23, 3,678.80 and 809.93

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Solution

The fourth proportional to 2,452.23, 3,678.80 and 809.93 is: 1,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.23 : 3,678.80 = 809.93 : x
  2. Step 2: Convert to fraction form
    2,452.23/3,678.80 = 809.93/x
  3. Step 3: Cross multiply
    2,452.23x = 3,678.80 × 809.93
  4. Step 4: Simplify right side
    2,452.23x = 2,979,570.48
  5. Step 5: Solve for x
    x = 2,979,570.48/2,452.23
  6. Step 6: Final answer
    x = 1,215.05

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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.