Home / 2,932.70-4,399.80-1,697.90

Finding the Fourth Proportional to 2,932.70, 4,399.80 and 1,697.90

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Solution

The fourth proportional to 2,932.70, 4,399.80 and 1,697.90 is: 2,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.70 : 4,399.80 = 1,697.90 : x
  2. Step 2: Convert to fraction form
    2,932.70/4,399.80 = 1,697.90/x
  3. Step 3: Cross multiply
    2,932.70x = 4,399.80 × 1,697.90
  4. Step 4: Simplify right side
    2,932.70x = 7,470,420.42
  5. Step 5: Solve for x
    x = 7,470,420.42/2,932.70
  6. Step 6: Final answer
    x = 2,547.28

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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.