Home / 2,091.04-3,136.89-630.02

Finding the Fourth Proportional to 2,091.04, 3,136.89 and 630.02

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Solution

The fourth proportional to 2,091.04, 3,136.89 and 630.02 is: 945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.04 : 3,136.89 = 630.02 : x
  2. Step 2: Convert to fraction form
    2,091.04/3,136.89 = 630.02/x
  3. Step 3: Cross multiply
    2,091.04x = 3,136.89 × 630.02
  4. Step 4: Simplify right side
    2,091.04x = 1,976,303.44
  5. Step 5: Solve for x
    x = 1,976,303.44/2,091.04
  6. Step 6: Final answer
    x = 945.13

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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.