Home / 2,424.28-3,346.77-1,639.39

Finding the Fourth Proportional to 2,424.28, 3,346.77 and 1,639.39

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Solution

The fourth proportional to 2,424.28, 3,346.77 and 1,639.39 is: 2,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.28 : 3,346.77 = 1,639.39 : x
  2. Step 2: Convert to fraction form
    2,424.28/3,346.77 = 1,639.39/x
  3. Step 3: Cross multiply
    2,424.28x = 3,346.77 × 1,639.39
  4. Step 4: Simplify right side
    2,424.28x = 5,486,661.27
  5. Step 5: Solve for x
    x = 5,486,661.27/2,424.28
  6. Step 6: Final answer
    x = 2,263.21

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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.