Home / 3,108.03-4,654.08-1,643.91

Finding the Fourth Proportional to 3,108.03, 4,654.08 and 1,643.91

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Solution

The fourth proportional to 3,108.03, 4,654.08 and 1,643.91 is: 2,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.03 : 4,654.08 = 1,643.91 : x
  2. Step 2: Convert to fraction form
    3,108.03/4,654.08 = 1,643.91/x
  3. Step 3: Cross multiply
    3,108.03x = 4,654.08 × 1,643.91
  4. Step 4: Simplify right side
    3,108.03x = 7,650,888.65
  5. Step 5: Solve for x
    x = 7,650,888.65/3,108.03
  6. Step 6: Final answer
    x = 2,461.65

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1.5x scale

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.