Home / 1,696.60-2,513.56-1,631.80

Finding the Fourth Proportional to 1,696.60, 2,513.56 and 1,631.80

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Solution

The fourth proportional to 1,696.60, 2,513.56 and 1,631.80 is: 2,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.60 : 2,513.56 = 1,631.80 : x
  2. Step 2: Convert to fraction form
    1,696.60/2,513.56 = 1,631.80/x
  3. Step 3: Cross multiply
    1,696.60x = 2,513.56 × 1,631.80
  4. Step 4: Simplify right side
    1,696.60x = 4,101,627.21
  5. Step 5: Solve for x
    x = 4,101,627.21/1,696.60
  6. Step 6: Final answer
    x = 2,417.56

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.