Home / 2,699.56-4,047.20-1,140.83

Finding the Fourth Proportional to 2,699.56, 4,047.20 and 1,140.83

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Solution

The fourth proportional to 2,699.56, 4,047.20 and 1,140.83 is: 1,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.56 : 4,047.20 = 1,140.83 : x
  2. Step 2: Convert to fraction form
    2,699.56/4,047.20 = 1,140.83/x
  3. Step 3: Cross multiply
    2,699.56x = 4,047.20 × 1,140.83
  4. Step 4: Simplify right side
    2,699.56x = 4,617,167.18
  5. Step 5: Solve for x
    x = 4,617,167.18/2,699.56
  6. Step 6: Final answer
    x = 1,710.34

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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.