Home / 1,722.16-2,583.96-567.28

Finding the Fourth Proportional to 1,722.16, 2,583.96 and 567.28

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Solution

The fourth proportional to 1,722.16, 2,583.96 and 567.28 is: 851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.16 : 2,583.96 = 567.28 : x
  2. Step 2: Convert to fraction form
    1,722.16/2,583.96 = 567.28/x
  3. Step 3: Cross multiply
    1,722.16x = 2,583.96 × 567.28
  4. Step 4: Simplify right side
    1,722.16x = 1,465,828.83
  5. Step 5: Solve for x
    x = 1,465,828.83/1,722.16
  6. Step 6: Final answer
    x = 851.16

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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.