Home / 3,499.70-4,828.21-3,057.62

Finding the Fourth Proportional to 3,499.70, 4,828.21 and 3,057.62

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Solution

The fourth proportional to 3,499.70, 4,828.21 and 3,057.62 is: 4,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.70 : 4,828.21 = 3,057.62 : x
  2. Step 2: Convert to fraction form
    3,499.70/4,828.21 = 3,057.62/x
  3. Step 3: Cross multiply
    3,499.70x = 4,828.21 × 3,057.62
  4. Step 4: Simplify right side
    3,499.70x = 14,762,831.46
  5. Step 5: Solve for x
    x = 14,762,831.46/3,499.70
  6. Step 6: Final answer
    x = 4,218.31

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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.