Home / 3,445.58-4,757.57-2,647.64

Finding the Fourth Proportional to 3,445.58, 4,757.57 and 2,647.64

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Solution

The fourth proportional to 3,445.58, 4,757.57 and 2,647.64 is: 3,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.58 : 4,757.57 = 2,647.64 : x
  2. Step 2: Convert to fraction form
    3,445.58/4,757.57 = 2,647.64/x
  3. Step 3: Cross multiply
    3,445.58x = 4,757.57 × 2,647.64
  4. Step 4: Simplify right side
    3,445.58x = 12,596,345.70
  5. Step 5: Solve for x
    x = 12,596,345.70/3,445.58
  6. Step 6: Final answer
    x = 3,655.80

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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.