Home / 2,917.61-4,026.29-1,591.31

Finding the Fourth Proportional to 2,917.61, 4,026.29 and 1,591.31

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Solution

The fourth proportional to 2,917.61, 4,026.29 and 1,591.31 is: 2,196.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.61 : 4,026.29 = 1,591.31 : x
  2. Step 2: Convert to fraction form
    2,917.61/4,026.29 = 1,591.31/x
  3. Step 3: Cross multiply
    2,917.61x = 4,026.29 × 1,591.31
  4. Step 4: Simplify right side
    2,917.61x = 6,407,059.39
  5. Step 5: Solve for x
    x = 6,407,059.39/2,917.61
  6. Step 6: Final answer
    x = 2,196.00

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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.