Home / 2,203.08-3,287.60-1,957.65

Finding the Fourth Proportional to 2,203.08, 3,287.60 and 1,957.65

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Solution

The fourth proportional to 2,203.08, 3,287.60 and 1,957.65 is: 2,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.08 : 3,287.60 = 1,957.65 : x
  2. Step 2: Convert to fraction form
    2,203.08/3,287.60 = 1,957.65/x
  3. Step 3: Cross multiply
    2,203.08x = 3,287.60 × 1,957.65
  4. Step 4: Simplify right side
    2,203.08x = 6,435,970.14
  5. Step 5: Solve for x
    x = 6,435,970.14/2,203.08
  6. Step 6: Final answer
    x = 2,921.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.