Home / 2,777.40-4,167.54-1,803.96

Finding the Fourth Proportional to 2,777.40, 4,167.54 and 1,803.96

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Solution

The fourth proportional to 2,777.40, 4,167.54 and 1,803.96 is: 2,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.40 : 4,167.54 = 1,803.96 : x
  2. Step 2: Convert to fraction form
    2,777.40/4,167.54 = 1,803.96/x
  3. Step 3: Cross multiply
    2,777.40x = 4,167.54 × 1,803.96
  4. Step 4: Simplify right side
    2,777.40x = 7,518,075.46
  5. Step 5: Solve for x
    x = 7,518,075.46/2,777.40
  6. Step 6: Final answer
    x = 2,706.88

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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.