Home / 3,842.10-5,298.48-2,581.74

Finding the Fourth Proportional to 3,842.10, 5,298.48 and 2,581.74

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Solution

The fourth proportional to 3,842.10, 5,298.48 and 2,581.74 is: 3,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.10 : 5,298.48 = 2,581.74 : x
  2. Step 2: Convert to fraction form
    3,842.10/5,298.48 = 2,581.74/x
  3. Step 3: Cross multiply
    3,842.10x = 5,298.48 × 2,581.74
  4. Step 4: Simplify right side
    3,842.10x = 13,679,297.76
  5. Step 5: Solve for x
    x = 13,679,297.76/3,842.10
  6. Step 6: Final answer
    x = 3,560.37

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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.