Home / 3,557.34-4,909.26-1,985.73

Finding the Fourth Proportional to 3,557.34, 4,909.26 and 1,985.73

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Solution

The fourth proportional to 3,557.34, 4,909.26 and 1,985.73 is: 2,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.34 : 4,909.26 = 1,985.73 : x
  2. Step 2: Convert to fraction form
    3,557.34/4,909.26 = 1,985.73/x
  3. Step 3: Cross multiply
    3,557.34x = 4,909.26 × 1,985.73
  4. Step 4: Simplify right side
    3,557.34x = 9,748,454.93
  5. Step 5: Solve for x
    x = 9,748,454.93/3,557.34
  6. Step 6: Final answer
    x = 2,740.38

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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.