Home / 4,187.98-6,281.96-1,721.06

Finding the Fourth Proportional to 4,187.98, 6,281.96 and 1,721.06

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Solution

The fourth proportional to 4,187.98, 6,281.96 and 1,721.06 is: 2,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.98 : 6,281.96 = 1,721.06 : x
  2. Step 2: Convert to fraction form
    4,187.98/6,281.96 = 1,721.06/x
  3. Step 3: Cross multiply
    4,187.98x = 6,281.96 × 1,721.06
  4. Step 4: Simplify right side
    4,187.98x = 10,811,630.08
  5. Step 5: Solve for x
    x = 10,811,630.08/4,187.98
  6. Step 6: Final answer
    x = 2,581.59

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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.