Home / 3,773.90-5,210.52-2,888.12

Finding the Fourth Proportional to 3,773.90, 5,210.52 and 2,888.12

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Solution

The fourth proportional to 3,773.90, 5,210.52 and 2,888.12 is: 3,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.90 : 5,210.52 = 2,888.12 : x
  2. Step 2: Convert to fraction form
    3,773.90/5,210.52 = 2,888.12/x
  3. Step 3: Cross multiply
    3,773.90x = 5,210.52 × 2,888.12
  4. Step 4: Simplify right side
    3,773.90x = 15,048,607.02
  5. Step 5: Solve for x
    x = 15,048,607.02/3,773.90
  6. Step 6: Final answer
    x = 3,987.55

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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.