Home / 3,206.17-4,809.20-2,657.19

Finding the Fourth Proportional to 3,206.17, 4,809.20 and 2,657.19

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Solution

The fourth proportional to 3,206.17, 4,809.20 and 2,657.19 is: 3,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.17 : 4,809.20 = 2,657.19 : x
  2. Step 2: Convert to fraction form
    3,206.17/4,809.20 = 2,657.19/x
  3. Step 3: Cross multiply
    3,206.17x = 4,809.20 × 2,657.19
  4. Step 4: Simplify right side
    3,206.17x = 12,778,943.32
  5. Step 5: Solve for x
    x = 12,778,943.32/3,206.17
  6. Step 6: Final answer
    x = 3,985.74

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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.