Home / 2,530.80-3,795.06-1,069.20

Finding the Fourth Proportional to 2,530.80, 3,795.06 and 1,069.20

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Solution

The fourth proportional to 2,530.80, 3,795.06 and 1,069.20 is: 1,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.80 : 3,795.06 = 1,069.20 : x
  2. Step 2: Convert to fraction form
    2,530.80/3,795.06 = 1,069.20/x
  3. Step 3: Cross multiply
    2,530.80x = 3,795.06 × 1,069.20
  4. Step 4: Simplify right side
    2,530.80x = 4,057,678.15
  5. Step 5: Solve for x
    x = 4,057,678.15/2,530.80
  6. Step 6: Final answer
    x = 1,603.32

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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.