Home / 1,504.94-2,255.49-1,309.13

Finding the Fourth Proportional to 1,504.94, 2,255.49 and 1,309.13

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Solution

The fourth proportional to 1,504.94, 2,255.49 and 1,309.13 is: 1,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.94 : 2,255.49 = 1,309.13 : x
  2. Step 2: Convert to fraction form
    1,504.94/2,255.49 = 1,309.13/x
  3. Step 3: Cross multiply
    1,504.94x = 2,255.49 × 1,309.13
  4. Step 4: Simplify right side
    1,504.94x = 2,952,729.62
  5. Step 5: Solve for x
    x = 2,952,729.62/1,504.94
  6. Step 6: Final answer
    x = 1,962.02

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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.