Home / 2,904.08-4,356.82-929.71

Finding the Fourth Proportional to 2,904.08, 4,356.82 and 929.71

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Solution

The fourth proportional to 2,904.08, 4,356.82 and 929.71 is: 1,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.08 : 4,356.82 = 929.71 : x
  2. Step 2: Convert to fraction form
    2,904.08/4,356.82 = 929.71/x
  3. Step 3: Cross multiply
    2,904.08x = 4,356.82 × 929.71
  4. Step 4: Simplify right side
    2,904.08x = 4,050,576.09
  5. Step 5: Solve for x
    x = 4,050,576.09/2,904.08
  6. Step 6: Final answer
    x = 1,394.79

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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.