Home / 1,824.47-2,719.37-1,720.69

Finding the Fourth Proportional to 1,824.47, 2,719.37 and 1,720.69

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Solution

The fourth proportional to 1,824.47, 2,719.37 and 1,720.69 is: 2,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.47 : 2,719.37 = 1,720.69 : x
  2. Step 2: Convert to fraction form
    1,824.47/2,719.37 = 1,720.69/x
  3. Step 3: Cross multiply
    1,824.47x = 2,719.37 × 1,720.69
  4. Step 4: Simplify right side
    1,824.47x = 4,679,179.17
  5. Step 5: Solve for x
    x = 4,679,179.17/1,824.47
  6. Step 6: Final answer
    x = 2,564.68

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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.