Home / 2,238.10-3,088.49-1,293.74

Finding the Fourth Proportional to 2,238.10, 3,088.49 and 1,293.74

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Solution

The fourth proportional to 2,238.10, 3,088.49 and 1,293.74 is: 1,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.10 : 3,088.49 = 1,293.74 : x
  2. Step 2: Convert to fraction form
    2,238.10/3,088.49 = 1,293.74/x
  3. Step 3: Cross multiply
    2,238.10x = 3,088.49 × 1,293.74
  4. Step 4: Simplify right side
    2,238.10x = 3,995,703.05
  5. Step 5: Solve for x
    x = 3,995,703.05/2,238.10
  6. Step 6: Final answer
    x = 1,785.31

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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.