Home / 2,270.46-3,409.02-1,985.34

Finding the Fourth Proportional to 2,270.46, 3,409.02 and 1,985.34

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Solution

The fourth proportional to 2,270.46, 3,409.02 and 1,985.34 is: 2,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.46 : 3,409.02 = 1,985.34 : x
  2. Step 2: Convert to fraction form
    2,270.46/3,409.02 = 1,985.34/x
  3. Step 3: Cross multiply
    2,270.46x = 3,409.02 × 1,985.34
  4. Step 4: Simplify right side
    2,270.46x = 6,768,063.77
  5. Step 5: Solve for x
    x = 6,768,063.77/2,270.46
  6. Step 6: Final answer
    x = 2,980.92

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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.