Home / 3,258.29-4,494.42-1,931.06

Finding the Fourth Proportional to 3,258.29, 4,494.42 and 1,931.06

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Solution

The fourth proportional to 3,258.29, 4,494.42 and 1,931.06 is: 2,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.29 : 4,494.42 = 1,931.06 : x
  2. Step 2: Convert to fraction form
    3,258.29/4,494.42 = 1,931.06/x
  3. Step 3: Cross multiply
    3,258.29x = 4,494.42 × 1,931.06
  4. Step 4: Simplify right side
    3,258.29x = 8,679,005.92
  5. Step 5: Solve for x
    x = 8,679,005.92/3,258.29
  6. Step 6: Final answer
    x = 2,663.67

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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.