Home / 1,344.29-2,025.63-1,106.15

Finding the Fourth Proportional to 1,344.29, 2,025.63 and 1,106.15

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Solution

The fourth proportional to 1,344.29, 2,025.63 and 1,106.15 is: 1,666.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.29 : 2,025.63 = 1,106.15 : x
  2. Step 2: Convert to fraction form
    1,344.29/2,025.63 = 1,106.15/x
  3. Step 3: Cross multiply
    1,344.29x = 2,025.63 × 1,106.15
  4. Step 4: Simplify right side
    1,344.29x = 2,240,640.50
  5. Step 5: Solve for x
    x = 2,240,640.50/1,344.29
  6. Step 6: Final answer
    x = 1,666.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.