Home / 3,509.08-5,259.66-1,560.76

Finding the Fourth Proportional to 3,509.08, 5,259.66 and 1,560.76

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Solution

The fourth proportional to 3,509.08, 5,259.66 and 1,560.76 is: 2,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.08 : 5,259.66 = 1,560.76 : x
  2. Step 2: Convert to fraction form
    3,509.08/5,259.66 = 1,560.76/x
  3. Step 3: Cross multiply
    3,509.08x = 5,259.66 × 1,560.76
  4. Step 4: Simplify right side
    3,509.08x = 8,209,066.94
  5. Step 5: Solve for x
    x = 8,209,066.94/3,509.08
  6. Step 6: Final answer
    x = 2,339.38

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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.