Home / 1,718.13-2,577.63-563.89

Finding the Fourth Proportional to 1,718.13, 2,577.63 and 563.89

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Solution

The fourth proportional to 1,718.13, 2,577.63 and 563.89 is: 845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.13 : 2,577.63 = 563.89 : x
  2. Step 2: Convert to fraction form
    1,718.13/2,577.63 = 563.89/x
  3. Step 3: Cross multiply
    1,718.13x = 2,577.63 × 563.89
  4. Step 4: Simplify right side
    1,718.13x = 1,453,485.48
  5. Step 5: Solve for x
    x = 1,453,485.48/1,718.13
  6. Step 6: Final answer
    x = 845.97

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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.