Home / 2,917.20-4,025.76-1,590.93

Finding the Fourth Proportional to 2,917.20, 4,025.76 and 1,590.93

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Solution

The fourth proportional to 2,917.20, 4,025.76 and 1,590.93 is: 2,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.20 : 4,025.76 = 1,590.93 : x
  2. Step 2: Convert to fraction form
    2,917.20/4,025.76 = 1,590.93/x
  3. Step 3: Cross multiply
    2,917.20x = 4,025.76 × 1,590.93
  4. Step 4: Simplify right side
    2,917.20x = 6,404,702.36
  5. Step 5: Solve for x
    x = 6,404,702.36/2,917.20
  6. Step 6: Final answer
    x = 2,195.50

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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.