Home / 3,139.04-4,705.32-2,045.54

Finding the Fourth Proportional to 3,139.04, 4,705.32 and 2,045.54

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Solution

The fourth proportional to 3,139.04, 4,705.32 and 2,045.54 is: 3,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.04 : 4,705.32 = 2,045.54 : x
  2. Step 2: Convert to fraction form
    3,139.04/4,705.32 = 2,045.54/x
  3. Step 3: Cross multiply
    3,139.04x = 4,705.32 × 2,045.54
  4. Step 4: Simplify right side
    3,139.04x = 9,624,920.27
  5. Step 5: Solve for x
    x = 9,624,920.27/3,139.04
  6. Step 6: Final answer
    x = 3,066.20

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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.