Home / 2,089.74-3,132.78-1,114.92

Finding the Fourth Proportional to 2,089.74, 3,132.78 and 1,114.92

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Solution

The fourth proportional to 2,089.74, 3,132.78 and 1,114.92 is: 1,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.74 : 3,132.78 = 1,114.92 : x
  2. Step 2: Convert to fraction form
    2,089.74/3,132.78 = 1,114.92/x
  3. Step 3: Cross multiply
    2,089.74x = 3,132.78 × 1,114.92
  4. Step 4: Simplify right side
    2,089.74x = 3,492,799.08
  5. Step 5: Solve for x
    x = 3,492,799.08/2,089.74
  6. Step 6: Final answer
    x = 1,671.40

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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.