Home / 3,600.05-4,970.36-2,938.48

Finding the Fourth Proportional to 3,600.05, 4,970.36 and 2,938.48

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Solution

The fourth proportional to 3,600.05, 4,970.36 and 2,938.48 is: 4,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.05 : 4,970.36 = 2,938.48 : x
  2. Step 2: Convert to fraction form
    3,600.05/4,970.36 = 2,938.48/x
  3. Step 3: Cross multiply
    3,600.05x = 4,970.36 × 2,938.48
  4. Step 4: Simplify right side
    3,600.05x = 14,605,263.91
  5. Step 5: Solve for x
    x = 14,605,263.91/3,600.05
  6. Step 6: Final answer
    x = 4,056.97

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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.