Home / 2,284.81-3,427.35-724.87

Finding the Fourth Proportional to 2,284.81, 3,427.35 and 724.87

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Solution

The fourth proportional to 2,284.81, 3,427.35 and 724.87 is: 1,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.81 : 3,427.35 = 724.87 : x
  2. Step 2: Convert to fraction form
    2,284.81/3,427.35 = 724.87/x
  3. Step 3: Cross multiply
    2,284.81x = 3,427.35 × 724.87
  4. Step 4: Simplify right side
    2,284.81x = 2,484,383.19
  5. Step 5: Solve for x
    x = 2,484,383.19/2,284.81
  6. Step 6: Final answer
    x = 1,087.35

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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.