Home / 3,530.76-4,872.40-1,958.86

Finding the Fourth Proportional to 3,530.76, 4,872.40 and 1,958.86

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Solution

The fourth proportional to 3,530.76, 4,872.40 and 1,958.86 is: 2,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.76 : 4,872.40 = 1,958.86 : x
  2. Step 2: Convert to fraction form
    3,530.76/4,872.40 = 1,958.86/x
  3. Step 3: Cross multiply
    3,530.76x = 4,872.40 × 1,958.86
  4. Step 4: Simplify right side
    3,530.76x = 9,544,349.46
  5. Step 5: Solve for x
    x = 9,544,349.46/3,530.76
  6. Step 6: Final answer
    x = 2,703.20

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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.