Home / 3,455.46-4,762.84-2,445.87

Finding the Fourth Proportional to 3,455.46, 4,762.84 and 2,445.87

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Solution

The fourth proportional to 3,455.46, 4,762.84 and 2,445.87 is: 3,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.46 : 4,762.84 = 2,445.87 : x
  2. Step 2: Convert to fraction form
    3,455.46/4,762.84 = 2,445.87/x
  3. Step 3: Cross multiply
    3,455.46x = 4,762.84 × 2,445.87
  4. Step 4: Simplify right side
    3,455.46x = 11,649,287.47
  5. Step 5: Solve for x
    x = 11,649,287.47/3,455.46
  6. Step 6: Final answer
    x = 3,371.27

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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.