Home / 2,699.60-4,047.36-1,055.92

Finding the Fourth Proportional to 2,699.60, 4,047.36 and 1,055.92

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Solution

The fourth proportional to 2,699.60, 4,047.36 and 1,055.92 is: 1,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.60 : 4,047.36 = 1,055.92 : x
  2. Step 2: Convert to fraction form
    2,699.60/4,047.36 = 1,055.92/x
  3. Step 3: Cross multiply
    2,699.60x = 4,047.36 × 1,055.92
  4. Step 4: Simplify right side
    2,699.60x = 4,273,688.37
  5. Step 5: Solve for x
    x = 4,273,688.37/2,699.60
  6. Step 6: Final answer
    x = 1,583.08

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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.