Home / 2,056.40-3,084.48-1,731.20

Finding the Fourth Proportional to 2,056.40, 3,084.48 and 1,731.20

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Solution

The fourth proportional to 2,056.40, 3,084.48 and 1,731.20 is: 2,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.40 : 3,084.48 = 1,731.20 : x
  2. Step 2: Convert to fraction form
    2,056.40/3,084.48 = 1,731.20/x
  3. Step 3: Cross multiply
    2,056.40x = 3,084.48 × 1,731.20
  4. Step 4: Simplify right side
    2,056.40x = 5,339,851.78
  5. Step 5: Solve for x
    x = 5,339,851.78/2,056.40
  6. Step 6: Final answer
    x = 2,596.70

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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.