Home / 1,518.95-2,276.00-1,373.15

Finding the Fourth Proportional to 1,518.95, 2,276.00 and 1,373.15

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Solution

The fourth proportional to 1,518.95, 2,276.00 and 1,373.15 is: 2,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.95 : 2,276.00 = 1,373.15 : x
  2. Step 2: Convert to fraction form
    1,518.95/2,276.00 = 1,373.15/x
  3. Step 3: Cross multiply
    1,518.95x = 2,276.00 × 1,373.15
  4. Step 4: Simplify right side
    1,518.95x = 3,125,293.37
  5. Step 5: Solve for x
    x = 3,125,293.37/1,518.95
  6. Step 6: Final answer
    x = 2,057.53

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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.