Home / 2,857.48-4,280.42-2,393.96

Finding the Fourth Proportional to 2,857.48, 4,280.42 and 2,393.96

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Solution

The fourth proportional to 2,857.48, 4,280.42 and 2,393.96 is: 3,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.48 : 4,280.42 = 2,393.96 : x
  2. Step 2: Convert to fraction form
    2,857.48/4,280.42 = 2,393.96/x
  3. Step 3: Cross multiply
    2,857.48x = 4,280.42 × 2,393.96
  4. Step 4: Simplify right side
    2,857.48x = 10,247,154.26
  5. Step 5: Solve for x
    x = 10,247,154.26/2,857.48
  6. Step 6: Final answer
    x = 3,586.08

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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.