Home / 3,851.01-5,775.03-1,385.19

Finding the Fourth Proportional to 3,851.01, 5,775.03 and 1,385.19

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Solution

The fourth proportional to 3,851.01, 5,775.03 and 1,385.19 is: 2,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.01 : 5,775.03 = 1,385.19 : x
  2. Step 2: Convert to fraction form
    3,851.01/5,775.03 = 1,385.19/x
  3. Step 3: Cross multiply
    3,851.01x = 5,775.03 × 1,385.19
  4. Step 4: Simplify right side
    3,851.01x = 7,999,513.81
  5. Step 5: Solve for x
    x = 7,999,513.81/3,851.01
  6. Step 6: Final answer
    x = 2,077.25

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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.