Home / 3,459.64-4,776.48-2,135.56

Finding the Fourth Proportional to 3,459.64, 4,776.48 and 2,135.56

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Solution

The fourth proportional to 3,459.64, 4,776.48 and 2,135.56 is: 2,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.64 : 4,776.48 = 2,135.56 : x
  2. Step 2: Convert to fraction form
    3,459.64/4,776.48 = 2,135.56/x
  3. Step 3: Cross multiply
    3,459.64x = 4,776.48 × 2,135.56
  4. Step 4: Simplify right side
    3,459.64x = 10,200,459.63
  5. Step 5: Solve for x
    x = 10,200,459.63/3,459.64
  6. Step 6: Final answer
    x = 2,948.42

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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.