Home / 3,557.95-4,909.57-2,065.64

Finding the Fourth Proportional to 3,557.95, 4,909.57 and 2,065.64

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Solution

The fourth proportional to 3,557.95, 4,909.57 and 2,065.64 is: 2,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.95 : 4,909.57 = 2,065.64 : x
  2. Step 2: Convert to fraction form
    3,557.95/4,909.57 = 2,065.64/x
  3. Step 3: Cross multiply
    3,557.95x = 4,909.57 × 2,065.64
  4. Step 4: Simplify right side
    3,557.95x = 10,141,374.46
  5. Step 5: Solve for x
    x = 10,141,374.46/3,557.95
  6. Step 6: Final answer
    x = 2,850.34

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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.