Home / 1,655.19-2,480.07-1,003.95

Finding the Fourth Proportional to 1,655.19, 2,480.07 and 1,003.95

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Solution

The fourth proportional to 1,655.19, 2,480.07 and 1,003.95 is: 1,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.19 : 2,480.07 = 1,003.95 : x
  2. Step 2: Convert to fraction form
    1,655.19/2,480.07 = 1,003.95/x
  3. Step 3: Cross multiply
    1,655.19x = 2,480.07 × 1,003.95
  4. Step 4: Simplify right side
    1,655.19x = 2,489,866.28
  5. Step 5: Solve for x
    x = 2,489,866.28/1,655.19
  6. Step 6: Final answer
    x = 1,504.28

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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.