Home / 3,126.77-4,316.03-1,801.00

Finding the Fourth Proportional to 3,126.77, 4,316.03 and 1,801.00

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Solution

The fourth proportional to 3,126.77, 4,316.03 and 1,801.00 is: 2,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.77 : 4,316.03 = 1,801.00 : x
  2. Step 2: Convert to fraction form
    3,126.77/4,316.03 = 1,801.00/x
  3. Step 3: Cross multiply
    3,126.77x = 4,316.03 × 1,801.00
  4. Step 4: Simplify right side
    3,126.77x = 7,773,190.38
  5. Step 5: Solve for x
    x = 7,773,190.38/3,126.77
  6. Step 6: Final answer
    x = 2,486.01

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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.