Home / 3,847.08-5,770.26-1,655.40

Finding the Fourth Proportional to 3,847.08, 5,770.26 and 1,655.40

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Solution

The fourth proportional to 3,847.08, 5,770.26 and 1,655.40 is: 2,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.08 : 5,770.26 = 1,655.40 : x
  2. Step 2: Convert to fraction form
    3,847.08/5,770.26 = 1,655.40/x
  3. Step 3: Cross multiply
    3,847.08x = 5,770.26 × 1,655.40
  4. Step 4: Simplify right side
    3,847.08x = 9,552,088.40
  5. Step 5: Solve for x
    x = 9,552,088.40/3,847.08
  6. Step 6: Final answer
    x = 2,482.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.