Home / 2,697.47-3,722.40-1,518.50

Finding the Fourth Proportional to 2,697.47, 3,722.40 and 1,518.50

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Solution

The fourth proportional to 2,697.47, 3,722.40 and 1,518.50 is: 2,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.47 : 3,722.40 = 1,518.50 : x
  2. Step 2: Convert to fraction form
    2,697.47/3,722.40 = 1,518.50/x
  3. Step 3: Cross multiply
    2,697.47x = 3,722.40 × 1,518.50
  4. Step 4: Simplify right side
    2,697.47x = 5,652,464.40
  5. Step 5: Solve for x
    x = 5,652,464.40/2,697.47
  6. Step 6: Final answer
    x = 2,095.47

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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.