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Finding the Fourth Proportional to 1,720.22, 2,580.50 and 566.06

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Solution

The fourth proportional to 1,720.22, 2,580.50 and 566.06 is: 849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.22 : 2,580.50 = 566.06 : x
  2. Step 2: Convert to fraction form
    1,720.22/2,580.50 = 566.06/x
  3. Step 3: Cross multiply
    1,720.22x = 2,580.50 × 566.06
  4. Step 4: Simplify right side
    1,720.22x = 1,460,706.34
  5. Step 5: Solve for x
    x = 1,460,706.34/1,720.22
  6. Step 6: Final answer
    x = 849.14

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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.