Home / 1,699.20-2,340.48-1,468.80

Finding the Fourth Proportional to 1,699.20, 2,340.48 and 1,468.80

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Solution

The fourth proportional to 1,699.20, 2,340.48 and 1,468.80 is: 2,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.20 : 2,340.48 = 1,468.80 : x
  2. Step 2: Convert to fraction form
    1,699.20/2,340.48 = 1,468.80/x
  3. Step 3: Cross multiply
    1,699.20x = 2,340.48 × 1,468.80
  4. Step 4: Simplify right side
    1,699.20x = 3,437,697.02
  5. Step 5: Solve for x
    x = 3,437,697.02/1,699.20
  6. Step 6: Final answer
    x = 2,023.13

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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.