Home / 2,903.22-4,355.64-1,259.91

Finding the Fourth Proportional to 2,903.22, 4,355.64 and 1,259.91

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Solution

The fourth proportional to 2,903.22, 4,355.64 and 1,259.91 is: 1,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.22 : 4,355.64 = 1,259.91 : x
  2. Step 2: Convert to fraction form
    2,903.22/4,355.64 = 1,259.91/x
  3. Step 3: Cross multiply
    2,903.22x = 4,355.64 × 1,259.91
  4. Step 4: Simplify right side
    2,903.22x = 5,487,714.39
  5. Step 5: Solve for x
    x = 5,487,714.39/2,903.22
  6. Step 6: Final answer
    x = 1,890.22

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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.