Home / 3,099.84-4,276.67-2,038.20

Finding the Fourth Proportional to 3,099.84, 4,276.67 and 2,038.20

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Solution

The fourth proportional to 3,099.84, 4,276.67 and 2,038.20 is: 2,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.84 : 4,276.67 = 2,038.20 : x
  2. Step 2: Convert to fraction form
    3,099.84/4,276.67 = 2,038.20/x
  3. Step 3: Cross multiply
    3,099.84x = 4,276.67 × 2,038.20
  4. Step 4: Simplify right side
    3,099.84x = 8,716,698.60
  5. Step 5: Solve for x
    x = 8,716,698.60/3,099.84
  6. Step 6: Final answer
    x = 2,811.98

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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.