Home / 3,497.50-4,826.55-2,100.70

Finding the Fourth Proportional to 3,497.50, 4,826.55 and 2,100.70

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Solution

The fourth proportional to 3,497.50, 4,826.55 and 2,100.70 is: 2,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.50 : 4,826.55 = 2,100.70 : x
  2. Step 2: Convert to fraction form
    3,497.50/4,826.55 = 2,100.70/x
  3. Step 3: Cross multiply
    3,497.50x = 4,826.55 × 2,100.70
  4. Step 4: Simplify right side
    3,497.50x = 10,139,133.59
  5. Step 5: Solve for x
    x = 10,139,133.59/3,497.50
  6. Step 6: Final answer
    x = 2,898.97

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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.