Home / 3,356-4,631.28-1,958.76

Finding the Fourth Proportional to 3,356, 4,631.28 and 1,958.76

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Solution

The fourth proportional to 3,356, 4,631.28 and 1,958.76 is: 2,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356 : 4,631.28 = 1,958.76 : x
  2. Step 2: Convert to fraction form
    3,356/4,631.28 = 1,958.76/x
  3. Step 3: Cross multiply
    3,356x = 4,631.28 × 1,958.76
  4. Step 4: Simplify right side
    3,356x = 9,071,566.01
  5. Step 5: Solve for x
    x = 9,071,566.01/3,356
  6. Step 6: Final answer
    x = 2,703.09

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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.