Home / 3,088.13-4,261.61-1,690.88

Finding the Fourth Proportional to 3,088.13, 4,261.61 and 1,690.88

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Solution

The fourth proportional to 3,088.13, 4,261.61 and 1,690.88 is: 2,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.13 : 4,261.61 = 1,690.88 : x
  2. Step 2: Convert to fraction form
    3,088.13/4,261.61 = 1,690.88/x
  3. Step 3: Cross multiply
    3,088.13x = 4,261.61 × 1,690.88
  4. Step 4: Simplify right side
    3,088.13x = 7,205,854.04
  5. Step 5: Solve for x
    x = 7,205,854.04/3,088.13
  6. Step 6: Final answer
    x = 2,333.41

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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.