Home / 1,719.60-2,579.40-1,464.45

Finding the Fourth Proportional to 1,719.60, 2,579.40 and 1,464.45

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Solution

The fourth proportional to 1,719.60, 2,579.40 and 1,464.45 is: 2,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.60 : 2,579.40 = 1,464.45 : x
  2. Step 2: Convert to fraction form
    1,719.60/2,579.40 = 1,464.45/x
  3. Step 3: Cross multiply
    1,719.60x = 2,579.40 × 1,464.45
  4. Step 4: Simplify right side
    1,719.60x = 3,777,402.33
  5. Step 5: Solve for x
    x = 3,777,402.33/1,719.60
  6. Step 6: Final answer
    x = 2,196.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.