Home / 2,088.12-3,133.80-1,115.04

Finding the Fourth Proportional to 2,088.12, 3,133.80 and 1,115.04

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Solution

The fourth proportional to 2,088.12, 3,133.80 and 1,115.04 is: 1,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.12 : 3,133.80 = 1,115.04 : x
  2. Step 2: Convert to fraction form
    2,088.12/3,133.80 = 1,115.04/x
  3. Step 3: Cross multiply
    2,088.12x = 3,133.80 × 1,115.04
  4. Step 4: Simplify right side
    2,088.12x = 3,494,312.35
  5. Step 5: Solve for x
    x = 3,494,312.35/2,088.12
  6. Step 6: Final answer
    x = 1,673.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.