Home / 3,425.84-4,727.34-2,719.40

Finding the Fourth Proportional to 3,425.84, 4,727.34 and 2,719.40

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Solution

The fourth proportional to 3,425.84, 4,727.34 and 2,719.40 is: 3,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.84 : 4,727.34 = 2,719.40 : x
  2. Step 2: Convert to fraction form
    3,425.84/4,727.34 = 2,719.40/x
  3. Step 3: Cross multiply
    3,425.84x = 4,727.34 × 2,719.40
  4. Step 4: Simplify right side
    3,425.84x = 12,855,510.41
  5. Step 5: Solve for x
    x = 12,855,510.41/3,425.84
  6. Step 6: Final answer
    x = 3,752.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.