Home / 3,424.12-4,727.10-2,636.44

Finding the Fourth Proportional to 3,424.12, 4,727.10 and 2,636.44

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Solution

The fourth proportional to 3,424.12, 4,727.10 and 2,636.44 is: 3,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.12 : 4,727.10 = 2,636.44 : x
  2. Step 2: Convert to fraction form
    3,424.12/4,727.10 = 2,636.44/x
  3. Step 3: Cross multiply
    3,424.12x = 4,727.10 × 2,636.44
  4. Step 4: Simplify right side
    3,424.12x = 12,462,715.52
  5. Step 5: Solve for x
    x = 12,462,715.52/3,424.12
  6. Step 6: Final answer
    x = 3,639.68

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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.