Home / 3,507.80-5,256.30-3,313.40

Finding the Fourth Proportional to 3,507.80, 5,256.30 and 3,313.40

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Solution

The fourth proportional to 3,507.80, 5,256.30 and 3,313.40 is: 4,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.80 : 5,256.30 = 3,313.40 : x
  2. Step 2: Convert to fraction form
    3,507.80/5,256.30 = 3,313.40/x
  3. Step 3: Cross multiply
    3,507.80x = 5,256.30 × 3,313.40
  4. Step 4: Simplify right side
    3,507.80x = 17,416,224.42
  5. Step 5: Solve for x
    x = 17,416,224.42/3,507.80
  6. Step 6: Final answer
    x = 4,965.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.