Home / 2,712.08-3,741.05-1,715.63

Finding the Fourth Proportional to 2,712.08, 3,741.05 and 1,715.63

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Solution

The fourth proportional to 2,712.08, 3,741.05 and 1,715.63 is: 2,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.08 : 3,741.05 = 1,715.63 : x
  2. Step 2: Convert to fraction form
    2,712.08/3,741.05 = 1,715.63/x
  3. Step 3: Cross multiply
    2,712.08x = 3,741.05 × 1,715.63
  4. Step 4: Simplify right side
    2,712.08x = 6,418,230.33
  5. Step 5: Solve for x
    x = 6,418,230.33/2,712.08
  6. Step 6: Final answer
    x = 2,366.54

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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.