Home / 2,765.21-4,146.24-1,888.77

Finding the Fourth Proportional to 2,765.21, 4,146.24 and 1,888.77

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Solution

The fourth proportional to 2,765.21, 4,146.24 and 1,888.77 is: 2,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.21 : 4,146.24 = 1,888.77 : x
  2. Step 2: Convert to fraction form
    2,765.21/4,146.24 = 1,888.77/x
  3. Step 3: Cross multiply
    2,765.21x = 4,146.24 × 1,888.77
  4. Step 4: Simplify right side
    2,765.21x = 7,831,293.72
  5. Step 5: Solve for x
    x = 7,831,293.72/2,765.21
  6. Step 6: Final answer
    x = 2,832.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.