Home / 3,146.01-4,341.59-1,820.13

Finding the Fourth Proportional to 3,146.01, 4,341.59 and 1,820.13

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Solution

The fourth proportional to 3,146.01, 4,341.59 and 1,820.13 is: 2,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.01 : 4,341.59 = 1,820.13 : x
  2. Step 2: Convert to fraction form
    3,146.01/4,341.59 = 1,820.13/x
  3. Step 3: Cross multiply
    3,146.01x = 4,341.59 × 1,820.13
  4. Step 4: Simplify right side
    3,146.01x = 7,902,249.11
  5. Step 5: Solve for x
    x = 7,902,249.11/3,146.01
  6. Step 6: Final answer
    x = 2,511.83

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1.5x scale

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.