Home / 2,224.34-3,069.18-1,427.81

Finding the Fourth Proportional to 2,224.34, 3,069.18 and 1,427.81

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Solution

The fourth proportional to 2,224.34, 3,069.18 and 1,427.81 is: 1,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.34 : 3,069.18 = 1,427.81 : x
  2. Step 2: Convert to fraction form
    2,224.34/3,069.18 = 1,427.81/x
  3. Step 3: Cross multiply
    2,224.34x = 3,069.18 × 1,427.81
  4. Step 4: Simplify right side
    2,224.34x = 4,382,202.06
  5. Step 5: Solve for x
    x = 4,382,202.06/2,224.34
  6. Step 6: Final answer
    x = 1,970.11

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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.