Home / 3,838.79-5,295.58-2,580.12

Finding the Fourth Proportional to 3,838.79, 5,295.58 and 2,580.12

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Solution

The fourth proportional to 3,838.79, 5,295.58 and 2,580.12 is: 3,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.79 : 5,295.58 = 2,580.12 : x
  2. Step 2: Convert to fraction form
    3,838.79/5,295.58 = 2,580.12/x
  3. Step 3: Cross multiply
    3,838.79x = 5,295.58 × 2,580.12
  4. Step 4: Simplify right side
    3,838.79x = 13,663,225.42
  5. Step 5: Solve for x
    x = 13,663,225.42/3,838.79
  6. Step 6: Final answer
    x = 3,559.25

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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.