Home / 2,208.74-3,047.51-1,618.25

Finding the Fourth Proportional to 2,208.74, 3,047.51 and 1,618.25

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Solution

The fourth proportional to 2,208.74, 3,047.51 and 1,618.25 is: 2,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.74 : 3,047.51 = 1,618.25 : x
  2. Step 2: Convert to fraction form
    2,208.74/3,047.51 = 1,618.25/x
  3. Step 3: Cross multiply
    2,208.74x = 3,047.51 × 1,618.25
  4. Step 4: Simplify right side
    2,208.74x = 4,931,633.06
  5. Step 5: Solve for x
    x = 4,931,633.06/2,208.74
  6. Step 6: Final answer
    x = 2,232.78

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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.