Home / 2,511.20-3,765.39-1,030.02

Finding the Fourth Proportional to 2,511.20, 3,765.39 and 1,030.02

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Solution

The fourth proportional to 2,511.20, 3,765.39 and 1,030.02 is: 1,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.20 : 3,765.39 = 1,030.02 : x
  2. Step 2: Convert to fraction form
    2,511.20/3,765.39 = 1,030.02/x
  3. Step 3: Cross multiply
    2,511.20x = 3,765.39 × 1,030.02
  4. Step 4: Simplify right side
    2,511.20x = 3,878,427.01
  5. Step 5: Solve for x
    x = 3,878,427.01/2,511.20
  6. Step 6: Final answer
    x = 1,544.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.