Home / 3,564.50-4,918.57-1,970.93

Finding the Fourth Proportional to 3,564.50, 4,918.57 and 1,970.93

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Solution

The fourth proportional to 3,564.50, 4,918.57 and 1,970.93 is: 2,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.50 : 4,918.57 = 1,970.93 : x
  2. Step 2: Convert to fraction form
    3,564.50/4,918.57 = 1,970.93/x
  3. Step 3: Cross multiply
    3,564.50x = 4,918.57 × 1,970.93
  4. Step 4: Simplify right side
    3,564.50x = 9,694,175.63
  5. Step 5: Solve for x
    x = 9,694,175.63/3,564.50
  6. Step 6: Final answer
    x = 2,719.65

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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.