Home / 3,445.16-4,756.99-2,647.22

Finding the Fourth Proportional to 3,445.16, 4,756.99 and 2,647.22

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Solution

The fourth proportional to 3,445.16, 4,756.99 and 2,647.22 is: 3,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.16 : 4,756.99 = 2,647.22 : x
  2. Step 2: Convert to fraction form
    3,445.16/4,756.99 = 2,647.22/x
  3. Step 3: Cross multiply
    3,445.16x = 4,756.99 × 2,647.22
  4. Step 4: Simplify right side
    3,445.16x = 12,592,797.42
  5. Step 5: Solve for x
    x = 12,592,797.42/3,445.16
  6. Step 6: Final answer
    x = 3,655.22

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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.