Home / 3,155.04-4,346.64-2,269.26

Finding the Fourth Proportional to 3,155.04, 4,346.64 and 2,269.26

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Solution

The fourth proportional to 3,155.04, 4,346.64 and 2,269.26 is: 3,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.04 : 4,346.64 = 2,269.26 : x
  2. Step 2: Convert to fraction form
    3,155.04/4,346.64 = 2,269.26/x
  3. Step 3: Cross multiply
    3,155.04x = 4,346.64 × 2,269.26
  4. Step 4: Simplify right side
    3,155.04x = 9,863,656.29
  5. Step 5: Solve for x
    x = 9,863,656.29/3,155.04
  6. Step 6: Final answer
    x = 3,126.32

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Half scale
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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.