Home / 3,045.16-4,202.32-1,647.91

Finding the Fourth Proportional to 3,045.16, 4,202.32 and 1,647.91

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Solution

The fourth proportional to 3,045.16, 4,202.32 and 1,647.91 is: 2,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.16 : 4,202.32 = 1,647.91 : x
  2. Step 2: Convert to fraction form
    3,045.16/4,202.32 = 1,647.91/x
  3. Step 3: Cross multiply
    3,045.16x = 4,202.32 × 1,647.91
  4. Step 4: Simplify right side
    3,045.16x = 6,925,036.91
  5. Step 5: Solve for x
    x = 6,925,036.91/3,045.16
  6. Step 6: Final answer
    x = 2,274.11

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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.