Home / 3,366.63-4,646.70-2,155.68

Finding the Fourth Proportional to 3,366.63, 4,646.70 and 2,155.68

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Solution

The fourth proportional to 3,366.63, 4,646.70 and 2,155.68 is: 2,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.63 : 4,646.70 = 2,155.68 : x
  2. Step 2: Convert to fraction form
    3,366.63/4,646.70 = 2,155.68/x
  3. Step 3: Cross multiply
    3,366.63x = 4,646.70 × 2,155.68
  4. Step 4: Simplify right side
    3,366.63x = 10,016,798.26
  5. Step 5: Solve for x
    x = 10,016,798.26/3,366.63
  6. Step 6: Final answer
    x = 2,975.32

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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.