Home / 2,088.30-3,131.40-701.16

Finding the Fourth Proportional to 2,088.30, 3,131.40 and 701.16

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Solution

The fourth proportional to 2,088.30, 3,131.40 and 701.16 is: 1,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.30 : 3,131.40 = 701.16 : x
  2. Step 2: Convert to fraction form
    2,088.30/3,131.40 = 701.16/x
  3. Step 3: Cross multiply
    2,088.30x = 3,131.40 × 701.16
  4. Step 4: Simplify right side
    2,088.30x = 2,195,612.42
  5. Step 5: Solve for x
    x = 2,195,612.42/2,088.30
  6. Step 6: Final answer
    x = 1,051.39

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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.