Home / 3,050.50-4,206.60-2,489.16

Finding the Fourth Proportional to 3,050.50, 4,206.60 and 2,489.16

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Solution

The fourth proportional to 3,050.50, 4,206.60 and 2,489.16 is: 3,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.50 : 4,206.60 = 2,489.16 : x
  2. Step 2: Convert to fraction form
    3,050.50/4,206.60 = 2,489.16/x
  3. Step 3: Cross multiply
    3,050.50x = 4,206.60 × 2,489.16
  4. Step 4: Simplify right side
    3,050.50x = 10,470,900.46
  5. Step 5: Solve for x
    x = 10,470,900.46/3,050.50
  6. Step 6: Final answer
    x = 3,432.52

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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.