Home / 3,618.51-5,427.46-1,427.23

Finding the Fourth Proportional to 3,618.51, 5,427.46 and 1,427.23

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Solution

The fourth proportional to 3,618.51, 5,427.46 and 1,427.23 is: 2,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.51 : 5,427.46 = 1,427.23 : x
  2. Step 2: Convert to fraction form
    3,618.51/5,427.46 = 1,427.23/x
  3. Step 3: Cross multiply
    3,618.51x = 5,427.46 × 1,427.23
  4. Step 4: Simplify right side
    3,618.51x = 7,746,233.74
  5. Step 5: Solve for x
    x = 7,746,233.74/3,618.51
  6. Step 6: Final answer
    x = 2,140.72

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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.