Home / 2,258.61-3,118.75-1,550.19

Finding the Fourth Proportional to 2,258.61, 3,118.75 and 1,550.19

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Solution

The fourth proportional to 2,258.61, 3,118.75 and 1,550.19 is: 2,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.61 : 3,118.75 = 1,550.19 : x
  2. Step 2: Convert to fraction form
    2,258.61/3,118.75 = 1,550.19/x
  3. Step 3: Cross multiply
    2,258.61x = 3,118.75 × 1,550.19
  4. Step 4: Simplify right side
    2,258.61x = 4,834,654.06
  5. Step 5: Solve for x
    x = 4,834,654.06/2,258.61
  6. Step 6: Final answer
    x = 2,140.54

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Half scale
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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.