Home / 3,810.65-5,258.27-2,217.08

Finding the Fourth Proportional to 3,810.65, 5,258.27 and 2,217.08

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Solution

The fourth proportional to 3,810.65, 5,258.27 and 2,217.08 is: 3,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.65 : 5,258.27 = 2,217.08 : x
  2. Step 2: Convert to fraction form
    3,810.65/5,258.27 = 2,217.08/x
  3. Step 3: Cross multiply
    3,810.65x = 5,258.27 × 2,217.08
  4. Step 4: Simplify right side
    3,810.65x = 11,657,996.68
  5. Step 5: Solve for x
    x = 11,657,996.68/3,810.65
  6. Step 6: Final answer
    x = 3,059.32

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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.