Home / 2,505.61-3,461.03-1,923.31

Finding the Fourth Proportional to 2,505.61, 3,461.03 and 1,923.31

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Solution

The fourth proportional to 2,505.61, 3,461.03 and 1,923.31 is: 2,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.61 : 3,461.03 = 1,923.31 : x
  2. Step 2: Convert to fraction form
    2,505.61/3,461.03 = 1,923.31/x
  3. Step 3: Cross multiply
    2,505.61x = 3,461.03 × 1,923.31
  4. Step 4: Simplify right side
    2,505.61x = 6,656,633.61
  5. Step 5: Solve for x
    x = 6,656,633.61/2,505.61
  6. Step 6: Final answer
    x = 2,656.69

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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.