Home / 3,038.08-4,555.68-1,306

Finding the Fourth Proportional to 3,038.08, 4,555.68 and 1,306

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Solution

The fourth proportional to 3,038.08, 4,555.68 and 1,306 is: 1,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.08 : 4,555.68 = 1,306 : x
  2. Step 2: Convert to fraction form
    3,038.08/4,555.68 = 1,306/x
  3. Step 3: Cross multiply
    3,038.08x = 4,555.68 × 1,306
  4. Step 4: Simplify right side
    3,038.08x = 5,949,718.08
  5. Step 5: Solve for x
    x = 5,949,718.08/3,038.08
  6. Step 6: Final answer
    x = 1,958.38

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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.