Home / 3,154.79-4,353.75-1,828.91

Finding the Fourth Proportional to 3,154.79, 4,353.75 and 1,828.91

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Solution

The fourth proportional to 3,154.79, 4,353.75 and 1,828.91 is: 2,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.79 : 4,353.75 = 1,828.91 : x
  2. Step 2: Convert to fraction form
    3,154.79/4,353.75 = 1,828.91/x
  3. Step 3: Cross multiply
    3,154.79x = 4,353.75 × 1,828.91
  4. Step 4: Simplify right side
    3,154.79x = 7,962,595.14
  5. Step 5: Solve for x
    x = 7,962,595.14/3,154.79
  6. Step 6: Final answer
    x = 2,523.97

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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.