Home / 2,816.47-4,228.14-2,587.24

Finding the Fourth Proportional to 2,816.47, 4,228.14 and 2,587.24

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Solution

The fourth proportional to 2,816.47, 4,228.14 and 2,587.24 is: 3,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.47 : 4,228.14 = 2,587.24 : x
  2. Step 2: Convert to fraction form
    2,816.47/4,228.14 = 2,587.24/x
  3. Step 3: Cross multiply
    2,816.47x = 4,228.14 × 2,587.24
  4. Step 4: Simplify right side
    2,816.47x = 10,939,191.79
  5. Step 5: Solve for x
    x = 10,939,191.79/2,816.47
  6. Step 6: Final answer
    x = 3,884.01

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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.