Home / 3,117.98-4,302.54-1,773.57

Finding the Fourth Proportional to 3,117.98, 4,302.54 and 1,773.57

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Solution

The fourth proportional to 3,117.98, 4,302.54 and 1,773.57 is: 2,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.98 : 4,302.54 = 1,773.57 : x
  2. Step 2: Convert to fraction form
    3,117.98/4,302.54 = 1,773.57/x
  3. Step 3: Cross multiply
    3,117.98x = 4,302.54 × 1,773.57
  4. Step 4: Simplify right side
    3,117.98x = 7,630,855.87
  5. Step 5: Solve for x
    x = 7,630,855.87/3,117.98
  6. Step 6: Final answer
    x = 2,447.38

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1.5x scale

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.