Home / 3,137.20-4,683.95-2,826.16

Finding the Fourth Proportional to 3,137.20, 4,683.95 and 2,826.16

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Solution

The fourth proportional to 3,137.20, 4,683.95 and 2,826.16 is: 4,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.20 : 4,683.95 = 2,826.16 : x
  2. Step 2: Convert to fraction form
    3,137.20/4,683.95 = 2,826.16/x
  3. Step 3: Cross multiply
    3,137.20x = 4,683.95 × 2,826.16
  4. Step 4: Simplify right side
    3,137.20x = 13,237,592.13
  5. Step 5: Solve for x
    x = 13,237,592.13/3,137.20
  6. Step 6: Final answer
    x = 4,219.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.