Home / 1,699.36-2,528.64-1,693.60

Finding the Fourth Proportional to 1,699.36, 2,528.64 and 1,693.60

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Solution

The fourth proportional to 1,699.36, 2,528.64 and 1,693.60 is: 2,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.36 : 2,528.64 = 1,693.60 : x
  2. Step 2: Convert to fraction form
    1,699.36/2,528.64 = 1,693.60/x
  3. Step 3: Cross multiply
    1,699.36x = 2,528.64 × 1,693.60
  4. Step 4: Simplify right side
    1,699.36x = 4,282,504.70
  5. Step 5: Solve for x
    x = 4,282,504.70/1,699.36
  6. Step 6: Final answer
    x = 2,520.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.