Home / 2,917.02-4,025.42-1,590.75

Finding the Fourth Proportional to 2,917.02, 4,025.42 and 1,590.75

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Solution

The fourth proportional to 2,917.02, 4,025.42 and 1,590.75 is: 2,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.02 : 4,025.42 = 1,590.75 : x
  2. Step 2: Convert to fraction form
    2,917.02/4,025.42 = 1,590.75/x
  3. Step 3: Cross multiply
    2,917.02x = 4,025.42 × 1,590.75
  4. Step 4: Simplify right side
    2,917.02x = 6,403,428.91
  5. Step 5: Solve for x
    x = 6,403,428.91/2,917.02
  6. Step 6: Final answer
    x = 2,195.20

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1.5x scale

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.