Home / 3,037.40-4,545.30-2,108.60

Finding the Fourth Proportional to 3,037.40, 4,545.30 and 2,108.60

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Solution

The fourth proportional to 3,037.40, 4,545.30 and 2,108.60 is: 3,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.40 : 4,545.30 = 2,108.60 : x
  2. Step 2: Convert to fraction form
    3,037.40/4,545.30 = 2,108.60/x
  3. Step 3: Cross multiply
    3,037.40x = 4,545.30 × 2,108.60
  4. Step 4: Simplify right side
    3,037.40x = 9,584,219.58
  5. Step 5: Solve for x
    x = 9,584,219.58/3,037.40
  6. Step 6: Final answer
    x = 3,155.40

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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.