Home / 2,320.97-3,203.09-1,312.33

Finding the Fourth Proportional to 2,320.97, 3,203.09 and 1,312.33

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Solution

The fourth proportional to 2,320.97, 3,203.09 and 1,312.33 is: 1,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.97 : 3,203.09 = 1,312.33 : x
  2. Step 2: Convert to fraction form
    2,320.97/3,203.09 = 1,312.33/x
  3. Step 3: Cross multiply
    2,320.97x = 3,203.09 × 1,312.33
  4. Step 4: Simplify right side
    2,320.97x = 4,203,511.10
  5. Step 5: Solve for x
    x = 4,203,511.10/2,320.97
  6. Step 6: Final answer
    x = 1,811.10

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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.