Home / 2,260.40-3,390.60-1,485.30

Finding the Fourth Proportional to 2,260.40, 3,390.60 and 1,485.30

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Solution

The fourth proportional to 2,260.40, 3,390.60 and 1,485.30 is: 2,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.40 : 3,390.60 = 1,485.30 : x
  2. Step 2: Convert to fraction form
    2,260.40/3,390.60 = 1,485.30/x
  3. Step 3: Cross multiply
    2,260.40x = 3,390.60 × 1,485.30
  4. Step 4: Simplify right side
    2,260.40x = 5,036,058.18
  5. Step 5: Solve for x
    x = 5,036,058.18/2,260.40
  6. Step 6: Final answer
    x = 2,227.95

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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.