Home / 1,723.55-2,379.40-1,135.02

Finding the Fourth Proportional to 1,723.55, 2,379.40 and 1,135.02

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Solution

The fourth proportional to 1,723.55, 2,379.40 and 1,135.02 is: 1,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.55 : 2,379.40 = 1,135.02 : x
  2. Step 2: Convert to fraction form
    1,723.55/2,379.40 = 1,135.02/x
  3. Step 3: Cross multiply
    1,723.55x = 2,379.40 × 1,135.02
  4. Step 4: Simplify right side
    1,723.55x = 2,700,666.59
  5. Step 5: Solve for x
    x = 2,700,666.59/1,723.55
  6. Step 6: Final answer
    x = 1,566.92

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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.