Home / 1,720.14-2,579.97-565.50

Finding the Fourth Proportional to 1,720.14, 2,579.97 and 565.50

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Solution

The fourth proportional to 1,720.14, 2,579.97 and 565.50 is: 848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.14 : 2,579.97 = 565.50 : x
  2. Step 2: Convert to fraction form
    1,720.14/2,579.97 = 565.50/x
  3. Step 3: Cross multiply
    1,720.14x = 2,579.97 × 565.50
  4. Step 4: Simplify right side
    1,720.14x = 1,458,973.04
  5. Step 5: Solve for x
    x = 1,458,973.04/1,720.14
  6. Step 6: Final answer
    x = 848.17

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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.