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Finding the Fourth Proportional to 3,083.01, 4,254.87 and 1,888.80

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Solution

The fourth proportional to 3,083.01, 4,254.87 and 1,888.80 is: 2,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.01 : 4,254.87 = 1,888.80 : x
  2. Step 2: Convert to fraction form
    3,083.01/4,254.87 = 1,888.80/x
  3. Step 3: Cross multiply
    3,083.01x = 4,254.87 × 1,888.80
  4. Step 4: Simplify right side
    3,083.01x = 8,036,603.21
  5. Step 5: Solve for x
    x = 8,036,603.21/3,083.01
  6. Step 6: Final answer
    x = 2,606.74

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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.