Home / 3,434.48-4,735.01-2,728.67

Finding the Fourth Proportional to 3,434.48, 4,735.01 and 2,728.67

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Solution

The fourth proportional to 3,434.48, 4,735.01 and 2,728.67 is: 3,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.48 : 4,735.01 = 2,728.67 : x
  2. Step 2: Convert to fraction form
    3,434.48/4,735.01 = 2,728.67/x
  3. Step 3: Cross multiply
    3,434.48x = 4,735.01 × 2,728.67
  4. Step 4: Simplify right side
    3,434.48x = 12,920,274.17
  5. Step 5: Solve for x
    x = 12,920,274.17/3,434.48
  6. Step 6: Final answer
    x = 3,761.93

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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.