Home / 2,203.08-3,040.02-1,258.80

Finding the Fourth Proportional to 2,203.08, 3,040.02 and 1,258.80

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Solution

The fourth proportional to 2,203.08, 3,040.02 and 1,258.80 is: 1,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.08 : 3,040.02 = 1,258.80 : x
  2. Step 2: Convert to fraction form
    2,203.08/3,040.02 = 1,258.80/x
  3. Step 3: Cross multiply
    2,203.08x = 3,040.02 × 1,258.80
  4. Step 4: Simplify right side
    2,203.08x = 3,826,777.18
  5. Step 5: Solve for x
    x = 3,826,777.18/2,203.08
  6. Step 6: Final answer
    x = 1,737.01

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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.