Home / 1,902.28-2,864.81-1,673.67

Finding the Fourth Proportional to 1,902.28, 2,864.81 and 1,673.67

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Solution

The fourth proportional to 1,902.28, 2,864.81 and 1,673.67 is: 2,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.28 : 2,864.81 = 1,673.67 : x
  2. Step 2: Convert to fraction form
    1,902.28/2,864.81 = 1,673.67/x
  3. Step 3: Cross multiply
    1,902.28x = 2,864.81 × 1,673.67
  4. Step 4: Simplify right side
    1,902.28x = 4,794,746.55
  5. Step 5: Solve for x
    x = 4,794,746.55/1,902.28
  6. Step 6: Final answer
    x = 2,520.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.