Home / 2,566.79-3,543.90-1,684.09

Finding the Fourth Proportional to 2,566.79, 3,543.90 and 1,684.09

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Solution

The fourth proportional to 2,566.79, 3,543.90 and 1,684.09 is: 2,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.79 : 3,543.90 = 1,684.09 : x
  2. Step 2: Convert to fraction form
    2,566.79/3,543.90 = 1,684.09/x
  3. Step 3: Cross multiply
    2,566.79x = 3,543.90 × 1,684.09
  4. Step 4: Simplify right side
    2,566.79x = 5,968,254.14
  5. Step 5: Solve for x
    x = 5,968,254.14/2,566.79
  6. Step 6: Final answer
    x = 2,325.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.