Home / 2,981.34-4,114.46-1,655.26

Finding the Fourth Proportional to 2,981.34, 4,114.46 and 1,655.26

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Solution

The fourth proportional to 2,981.34, 4,114.46 and 1,655.26 is: 2,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.34 : 4,114.46 = 1,655.26 : x
  2. Step 2: Convert to fraction form
    2,981.34/4,114.46 = 1,655.26/x
  3. Step 3: Cross multiply
    2,981.34x = 4,114.46 × 1,655.26
  4. Step 4: Simplify right side
    2,981.34x = 6,810,494.91
  5. Step 5: Solve for x
    x = 6,810,494.91/2,981.34
  6. Step 6: Final answer
    x = 2,284.37

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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.