Home / 3,258.23-4,496.01-1,931.70

Finding the Fourth Proportional to 3,258.23, 4,496.01 and 1,931.70

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Solution

The fourth proportional to 3,258.23, 4,496.01 and 1,931.70 is: 2,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.23 : 4,496.01 = 1,931.70 : x
  2. Step 2: Convert to fraction form
    3,258.23/4,496.01 = 1,931.70/x
  3. Step 3: Cross multiply
    3,258.23x = 4,496.01 × 1,931.70
  4. Step 4: Simplify right side
    3,258.23x = 8,684,926.84
  5. Step 5: Solve for x
    x = 8,684,926.84/3,258.23
  6. Step 6: Final answer
    x = 2,665.54

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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.