Home / 3,530.37-5,316.20-2,612.40

Finding the Fourth Proportional to 3,530.37, 5,316.20 and 2,612.40

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Solution

The fourth proportional to 3,530.37, 5,316.20 and 2,612.40 is: 3,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.37 : 5,316.20 = 2,612.40 : x
  2. Step 2: Convert to fraction form
    3,530.37/5,316.20 = 2,612.40/x
  3. Step 3: Cross multiply
    3,530.37x = 5,316.20 × 2,612.40
  4. Step 4: Simplify right side
    3,530.37x = 13,888,047.58
  5. Step 5: Solve for x
    x = 13,888,047.58/3,530.37
  6. Step 6: Final answer
    x = 3,933.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.