Home / 2,335.98-3,223.08-1,391.17

Finding the Fourth Proportional to 2,335.98, 3,223.08 and 1,391.17

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Solution

The fourth proportional to 2,335.98, 3,223.08 and 1,391.17 is: 1,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.98 : 3,223.08 = 1,391.17 : x
  2. Step 2: Convert to fraction form
    2,335.98/3,223.08 = 1,391.17/x
  3. Step 3: Cross multiply
    2,335.98x = 3,223.08 × 1,391.17
  4. Step 4: Simplify right side
    2,335.98x = 4,483,836.09
  5. Step 5: Solve for x
    x = 4,483,836.09/2,335.98
  6. Step 6: Final answer
    x = 1,919.47

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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.