Home / 2,088.36-3,134.68-1,631.21

Finding the Fourth Proportional to 2,088.36, 3,134.68 and 1,631.21

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Solution

The fourth proportional to 2,088.36, 3,134.68 and 1,631.21 is: 2,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.36 : 3,134.68 = 1,631.21 : x
  2. Step 2: Convert to fraction form
    2,088.36/3,134.68 = 1,631.21/x
  3. Step 3: Cross multiply
    2,088.36x = 3,134.68 × 1,631.21
  4. Step 4: Simplify right side
    2,088.36x = 5,113,301.61
  5. Step 5: Solve for x
    x = 5,113,301.61/2,088.36
  6. Step 6: Final answer
    x = 2,448.48

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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.