Home / 4,280.34-5,906.28-2,391.69

Finding the Fourth Proportional to 4,280.34, 5,906.28 and 2,391.69

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Solution

The fourth proportional to 4,280.34, 5,906.28 and 2,391.69 is: 3,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.34 : 5,906.28 = 2,391.69 : x
  2. Step 2: Convert to fraction form
    4,280.34/5,906.28 = 2,391.69/x
  3. Step 3: Cross multiply
    4,280.34x = 5,906.28 × 2,391.69
  4. Step 4: Simplify right side
    4,280.34x = 14,125,990.81
  5. Step 5: Solve for x
    x = 14,125,990.81/4,280.34
  6. Step 6: Final answer
    x = 3,300.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.