Home / 2,340.10-3,229.34-1,292.16

Finding the Fourth Proportional to 2,340.10, 3,229.34 and 1,292.16

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Solution

The fourth proportional to 2,340.10, 3,229.34 and 1,292.16 is: 1,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.10 : 3,229.34 = 1,292.16 : x
  2. Step 2: Convert to fraction form
    2,340.10/3,229.34 = 1,292.16/x
  3. Step 3: Cross multiply
    2,340.10x = 3,229.34 × 1,292.16
  4. Step 4: Simplify right side
    2,340.10x = 4,172,817.51
  5. Step 5: Solve for x
    x = 4,172,817.51/2,340.10
  6. Step 6: Final answer
    x = 1,783.18

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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.