Home / 2,263.16-3,122.90-1,268.29

Finding the Fourth Proportional to 2,263.16, 3,122.90 and 1,268.29

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Solution

The fourth proportional to 2,263.16, 3,122.90 and 1,268.29 is: 1,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.16 : 3,122.90 = 1,268.29 : x
  2. Step 2: Convert to fraction form
    2,263.16/3,122.90 = 1,268.29/x
  3. Step 3: Cross multiply
    2,263.16x = 3,122.90 × 1,268.29
  4. Step 4: Simplify right side
    2,263.16x = 3,960,742.84
  5. Step 5: Solve for x
    x = 3,960,742.84/2,263.16
  6. Step 6: Final answer
    x = 1,750.10

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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.