Home / 1,689.06-2,530.11-1,566.03

Finding the Fourth Proportional to 1,689.06, 2,530.11 and 1,566.03

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Solution

The fourth proportional to 1,689.06, 2,530.11 and 1,566.03 is: 2,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689.06 : 2,530.11 = 1,566.03 : x
  2. Step 2: Convert to fraction form
    1,689.06/2,530.11 = 1,566.03/x
  3. Step 3: Cross multiply
    1,689.06x = 2,530.11 × 1,566.03
  4. Step 4: Simplify right side
    1,689.06x = 3,962,228.16
  5. Step 5: Solve for x
    x = 3,962,228.16/1,689.06
  6. Step 6: Final answer
    x = 2,345.82

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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.