Home / 3,088.75-4,262.49-1,691.50

Finding the Fourth Proportional to 3,088.75, 4,262.49 and 1,691.50

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Solution

The fourth proportional to 3,088.75, 4,262.49 and 1,691.50 is: 2,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.75 : 4,262.49 = 1,691.50 : x
  2. Step 2: Convert to fraction form
    3,088.75/4,262.49 = 1,691.50/x
  3. Step 3: Cross multiply
    3,088.75x = 4,262.49 × 1,691.50
  4. Step 4: Simplify right side
    3,088.75x = 7,210,001.84
  5. Step 5: Solve for x
    x = 7,210,001.84/3,088.75
  6. Step 6: Final answer
    x = 2,334.28

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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.