Home / 2,816.65-4,225.62-1,357.03

Finding the Fourth Proportional to 2,816.65, 4,225.62 and 1,357.03

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Solution

The fourth proportional to 2,816.65, 4,225.62 and 1,357.03 is: 2,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.65 : 4,225.62 = 1,357.03 : x
  2. Step 2: Convert to fraction form
    2,816.65/4,225.62 = 1,357.03/x
  3. Step 3: Cross multiply
    2,816.65x = 4,225.62 × 1,357.03
  4. Step 4: Simplify right side
    2,816.65x = 5,734,293.11
  5. Step 5: Solve for x
    x = 5,734,293.11/2,816.65
  6. Step 6: Final answer
    x = 2,035.86

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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.