Home / 2,203.52-3,041.20-1,418.40

Finding the Fourth Proportional to 2,203.52, 3,041.20 and 1,418.40

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Solution

The fourth proportional to 2,203.52, 3,041.20 and 1,418.40 is: 1,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.52 : 3,041.20 = 1,418.40 : x
  2. Step 2: Convert to fraction form
    2,203.52/3,041.20 = 1,418.40/x
  3. Step 3: Cross multiply
    2,203.52x = 3,041.20 × 1,418.40
  4. Step 4: Simplify right side
    2,203.52x = 4,313,638.08
  5. Step 5: Solve for x
    x = 4,313,638.08/2,203.52
  6. Step 6: Final answer
    x = 1,957.61

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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.