Home / 2,938.01-4,053.17-1,803.20

Finding the Fourth Proportional to 2,938.01, 4,053.17 and 1,803.20

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Solution

The fourth proportional to 2,938.01, 4,053.17 and 1,803.20 is: 2,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.01 : 4,053.17 = 1,803.20 : x
  2. Step 2: Convert to fraction form
    2,938.01/4,053.17 = 1,803.20/x
  3. Step 3: Cross multiply
    2,938.01x = 4,053.17 × 1,803.20
  4. Step 4: Simplify right side
    2,938.01x = 7,308,660.39
  5. Step 5: Solve for x
    x = 7,308,660.39/2,938.01
  6. Step 6: Final answer
    x = 2,487.63

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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.