Home / 2,957.51-4,081.21-1,630.97

Finding the Fourth Proportional to 2,957.51, 4,081.21 and 1,630.97

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Solution

The fourth proportional to 2,957.51, 4,081.21 and 1,630.97 is: 2,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.51 : 4,081.21 = 1,630.97 : x
  2. Step 2: Convert to fraction form
    2,957.51/4,081.21 = 1,630.97/x
  3. Step 3: Cross multiply
    2,957.51x = 4,081.21 × 1,630.97
  4. Step 4: Simplify right side
    2,957.51x = 6,656,331.07
  5. Step 5: Solve for x
    x = 6,656,331.07/2,957.51
  6. Step 6: Final answer
    x = 2,250.65

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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.