Home / 1,655.78-2,285.19-1,068.03

Finding the Fourth Proportional to 1,655.78, 2,285.19 and 1,068.03

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Solution

The fourth proportional to 1,655.78, 2,285.19 and 1,068.03 is: 1,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.78 : 2,285.19 = 1,068.03 : x
  2. Step 2: Convert to fraction form
    1,655.78/2,285.19 = 1,068.03/x
  3. Step 3: Cross multiply
    1,655.78x = 2,285.19 × 1,068.03
  4. Step 4: Simplify right side
    1,655.78x = 2,440,651.48
  5. Step 5: Solve for x
    x = 2,440,651.48/1,655.78
  6. Step 6: Final answer
    x = 1,474.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.