Home / 1,769.24-2,653.98-615.08

Finding the Fourth Proportional to 1,769.24, 2,653.98 and 615.08

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Solution

The fourth proportional to 1,769.24, 2,653.98 and 615.08 is: 922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.24 : 2,653.98 = 615.08 : x
  2. Step 2: Convert to fraction form
    1,769.24/2,653.98 = 615.08/x
  3. Step 3: Cross multiply
    1,769.24x = 2,653.98 × 615.08
  4. Step 4: Simplify right side
    1,769.24x = 1,632,410.02
  5. Step 5: Solve for x
    x = 1,632,410.02/1,769.24
  6. Step 6: Final answer
    x = 922.66

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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.