Home / 3,088.56-4,262.28-1,691.40

Finding the Fourth Proportional to 3,088.56, 4,262.28 and 1,691.40

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Solution

The fourth proportional to 3,088.56, 4,262.28 and 1,691.40 is: 2,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.56 : 4,262.28 = 1,691.40 : x
  2. Step 2: Convert to fraction form
    3,088.56/4,262.28 = 1,691.40/x
  3. Step 3: Cross multiply
    3,088.56x = 4,262.28 × 1,691.40
  4. Step 4: Simplify right side
    3,088.56x = 7,209,220.39
  5. Step 5: Solve for x
    x = 7,209,220.39/3,088.56
  6. Step 6: Final answer
    x = 2,334.17

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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.