Home / 2,908.88-4,362.44-1,153.20

Finding the Fourth Proportional to 2,908.88, 4,362.44 and 1,153.20

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Solution

The fourth proportional to 2,908.88, 4,362.44 and 1,153.20 is: 1,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.88 : 4,362.44 = 1,153.20 : x
  2. Step 2: Convert to fraction form
    2,908.88/4,362.44 = 1,153.20/x
  3. Step 3: Cross multiply
    2,908.88x = 4,362.44 × 1,153.20
  4. Step 4: Simplify right side
    2,908.88x = 5,030,765.81
  5. Step 5: Solve for x
    x = 5,030,765.81/2,908.88
  6. Step 6: Final answer
    x = 1,729.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.