Home / 3,564.81-4,920.75-2,679.08

Finding the Fourth Proportional to 3,564.81, 4,920.75 and 2,679.08

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Solution

The fourth proportional to 3,564.81, 4,920.75 and 2,679.08 is: 3,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.81 : 4,920.75 = 2,679.08 : x
  2. Step 2: Convert to fraction form
    3,564.81/4,920.75 = 2,679.08/x
  3. Step 3: Cross multiply
    3,564.81x = 4,920.75 × 2,679.08
  4. Step 4: Simplify right side
    3,564.81x = 13,183,058.31
  5. Step 5: Solve for x
    x = 13,183,058.31/3,564.81
  6. Step 6: Final answer
    x = 3,698.11

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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.