Home / 3,155.19-4,322.63-3,036.96

Finding the Fourth Proportional to 3,155.19, 4,322.63 and 3,036.96

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Solution

The fourth proportional to 3,155.19, 4,322.63 and 3,036.96 is: 4,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.19 : 4,322.63 = 3,036.96 : x
  2. Step 2: Convert to fraction form
    3,155.19/4,322.63 = 3,036.96/x
  3. Step 3: Cross multiply
    3,155.19x = 4,322.63 × 3,036.96
  4. Step 4: Simplify right side
    3,155.19x = 13,127,654.40
  5. Step 5: Solve for x
    x = 13,127,654.40/3,155.19
  6. Step 6: Final answer
    x = 4,160.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.