Home / 3,001.17-4,501.42-810.12

Finding the Fourth Proportional to 3,001.17, 4,501.42 and 810.12

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Solution

The fourth proportional to 3,001.17, 4,501.42 and 810.12 is: 1,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.17 : 4,501.42 = 810.12 : x
  2. Step 2: Convert to fraction form
    3,001.17/4,501.42 = 810.12/x
  3. Step 3: Cross multiply
    3,001.17x = 4,501.42 × 810.12
  4. Step 4: Simplify right side
    3,001.17x = 3,646,690.37
  5. Step 5: Solve for x
    x = 3,646,690.37/3,001.17
  6. Step 6: Final answer
    x = 1,215.09

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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.