Home / 3,144.89-4,700.40-2,746.45

Finding the Fourth Proportional to 3,144.89, 4,700.40 and 2,746.45

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Solution

The fourth proportional to 3,144.89, 4,700.40 and 2,746.45 is: 4,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.89 : 4,700.40 = 2,746.45 : x
  2. Step 2: Convert to fraction form
    3,144.89/4,700.40 = 2,746.45/x
  3. Step 3: Cross multiply
    3,144.89x = 4,700.40 × 2,746.45
  4. Step 4: Simplify right side
    3,144.89x = 12,909,411.64
  5. Step 5: Solve for x
    x = 12,909,411.64/3,144.89
  6. Step 6: Final answer
    x = 4,104.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.