Home / 2,917.90-4,373.34-1,355.80

Finding the Fourth Proportional to 2,917.90, 4,373.34 and 1,355.80

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Solution

The fourth proportional to 2,917.90, 4,373.34 and 1,355.80 is: 2,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.90 : 4,373.34 = 1,355.80 : x
  2. Step 2: Convert to fraction form
    2,917.90/4,373.34 = 1,355.80/x
  3. Step 3: Cross multiply
    2,917.90x = 4,373.34 × 1,355.80
  4. Step 4: Simplify right side
    2,917.90x = 5,929,374.37
  5. Step 5: Solve for x
    x = 5,929,374.37/2,917.90
  6. Step 6: Final answer
    x = 2,032.07

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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.