Home / 3,317.74-4,977.06-1,125.88

Finding the Fourth Proportional to 3,317.74, 4,977.06 and 1,125.88

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Solution

The fourth proportional to 3,317.74, 4,977.06 and 1,125.88 is: 1,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.74 : 4,977.06 = 1,125.88 : x
  2. Step 2: Convert to fraction form
    3,317.74/4,977.06 = 1,125.88/x
  3. Step 3: Cross multiply
    3,317.74x = 4,977.06 × 1,125.88
  4. Step 4: Simplify right side
    3,317.74x = 5,603,547.43
  5. Step 5: Solve for x
    x = 5,603,547.43/3,317.74
  6. Step 6: Final answer
    x = 1,688.97

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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.