Home / 3,155.02-4,346.64-2,269.28

Finding the Fourth Proportional to 3,155.02, 4,346.64 and 2,269.28

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Solution

The fourth proportional to 3,155.02, 4,346.64 and 2,269.28 is: 3,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.02 : 4,346.64 = 2,269.28 : x
  2. Step 2: Convert to fraction form
    3,155.02/4,346.64 = 2,269.28/x
  3. Step 3: Cross multiply
    3,155.02x = 4,346.64 × 2,269.28
  4. Step 4: Simplify right side
    3,155.02x = 9,863,743.22
  5. Step 5: Solve for x
    x = 9,863,743.22/3,155.02
  6. Step 6: Final answer
    x = 3,126.36

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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.