Home / 3,484.77-4,811.23-2,159.88

Finding the Fourth Proportional to 3,484.77, 4,811.23 and 2,159.88

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Solution

The fourth proportional to 3,484.77, 4,811.23 and 2,159.88 is: 2,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.77 : 4,811.23 = 2,159.88 : x
  2. Step 2: Convert to fraction form
    3,484.77/4,811.23 = 2,159.88/x
  3. Step 3: Cross multiply
    3,484.77x = 4,811.23 × 2,159.88
  4. Step 4: Simplify right side
    3,484.77x = 10,391,679.45
  5. Step 5: Solve for x
    x = 10,391,679.45/3,484.77
  6. Step 6: Final answer
    x = 2,982.03

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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.