Home / 1,719.56-2,579.66-566.12

Finding the Fourth Proportional to 1,719.56, 2,579.66 and 566.12

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Solution

The fourth proportional to 1,719.56, 2,579.66 and 566.12 is: 849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.56 : 2,579.66 = 566.12 : x
  2. Step 2: Convert to fraction form
    1,719.56/2,579.66 = 566.12/x
  3. Step 3: Cross multiply
    1,719.56x = 2,579.66 × 566.12
  4. Step 4: Simplify right side
    1,719.56x = 1,460,397.12
  5. Step 5: Solve for x
    x = 1,460,397.12/1,719.56
  6. Step 6: Final answer
    x = 849.29

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1.5x scale

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.