Home / 2,985.28-4,474.86-1,035.84

Finding the Fourth Proportional to 2,985.28, 4,474.86 and 1,035.84

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Solution

The fourth proportional to 2,985.28, 4,474.86 and 1,035.84 is: 1,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.28 : 4,474.86 = 1,035.84 : x
  2. Step 2: Convert to fraction form
    2,985.28/4,474.86 = 1,035.84/x
  3. Step 3: Cross multiply
    2,985.28x = 4,474.86 × 1,035.84
  4. Step 4: Simplify right side
    2,985.28x = 4,635,238.98
  5. Step 5: Solve for x
    x = 4,635,238.98/2,985.28
  6. Step 6: Final answer
    x = 1,552.70

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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.