Home / 3,127.70-4,316.01-1,801.73

Finding the Fourth Proportional to 3,127.70, 4,316.01 and 1,801.73

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Solution

The fourth proportional to 3,127.70, 4,316.01 and 1,801.73 is: 2,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.70 : 4,316.01 = 1,801.73 : x
  2. Step 2: Convert to fraction form
    3,127.70/4,316.01 = 1,801.73/x
  3. Step 3: Cross multiply
    3,127.70x = 4,316.01 × 1,801.73
  4. Step 4: Simplify right side
    3,127.70x = 7,776,284.70
  5. Step 5: Solve for x
    x = 7,776,284.70/3,127.70
  6. Step 6: Final answer
    x = 2,486.26

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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.