Home / 3,400.84-4,688.80-2,203.70

Finding the Fourth Proportional to 3,400.84, 4,688.80 and 2,203.70

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Solution

The fourth proportional to 3,400.84, 4,688.80 and 2,203.70 is: 3,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.84 : 4,688.80 = 2,203.70 : x
  2. Step 2: Convert to fraction form
    3,400.84/4,688.80 = 2,203.70/x
  3. Step 3: Cross multiply
    3,400.84x = 4,688.80 × 2,203.70
  4. Step 4: Simplify right side
    3,400.84x = 10,332,708.56
  5. Step 5: Solve for x
    x = 10,332,708.56/3,400.84
  6. Step 6: Final answer
    x = 3,038.28

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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.