Home / 2,712.60-3,741.54-1,925.28

Finding the Fourth Proportional to 2,712.60, 3,741.54 and 1,925.28

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Solution

The fourth proportional to 2,712.60, 3,741.54 and 1,925.28 is: 2,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.60 : 3,741.54 = 1,925.28 : x
  2. Step 2: Convert to fraction form
    2,712.60/3,741.54 = 1,925.28/x
  3. Step 3: Cross multiply
    2,712.60x = 3,741.54 × 1,925.28
  4. Step 4: Simplify right side
    2,712.60x = 7,203,512.13
  5. Step 5: Solve for x
    x = 7,203,512.13/2,712.60
  6. Step 6: Final answer
    x = 2,655.57

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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.