Home / 2,770.02-4,156.18-1,783.36

Finding the Fourth Proportional to 2,770.02, 4,156.18 and 1,783.36

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Solution

The fourth proportional to 2,770.02, 4,156.18 and 1,783.36 is: 2,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.02 : 4,156.18 = 1,783.36 : x
  2. Step 2: Convert to fraction form
    2,770.02/4,156.18 = 1,783.36/x
  3. Step 3: Cross multiply
    2,770.02x = 4,156.18 × 1,783.36
  4. Step 4: Simplify right side
    2,770.02x = 7,411,965.16
  5. Step 5: Solve for x
    x = 7,411,965.16/2,770.02
  6. Step 6: Final answer
    x = 2,675.78

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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.