Home / 2,932.05-4,390.74-1,955.19

Finding the Fourth Proportional to 2,932.05, 4,390.74 and 1,955.19

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Solution

The fourth proportional to 2,932.05, 4,390.74 and 1,955.19 is: 2,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.05 : 4,390.74 = 1,955.19 : x
  2. Step 2: Convert to fraction form
    2,932.05/4,390.74 = 1,955.19/x
  3. Step 3: Cross multiply
    2,932.05x = 4,390.74 × 1,955.19
  4. Step 4: Simplify right side
    2,932.05x = 8,584,730.94
  5. Step 5: Solve for x
    x = 8,584,730.94/2,932.05
  6. Step 6: Final answer
    x = 2,927.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.