Home / 2,807.18-4,214.42-2,158.37

Finding the Fourth Proportional to 2,807.18, 4,214.42 and 2,158.37

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Solution

The fourth proportional to 2,807.18, 4,214.42 and 2,158.37 is: 3,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.18 : 4,214.42 = 2,158.37 : x
  2. Step 2: Convert to fraction form
    2,807.18/4,214.42 = 2,158.37/x
  3. Step 3: Cross multiply
    2,807.18x = 4,214.42 × 2,158.37
  4. Step 4: Simplify right side
    2,807.18x = 9,096,266.90
  5. Step 5: Solve for x
    x = 9,096,266.90/2,807.18
  6. Step 6: Final answer
    x = 3,240.36

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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.