Home / 3,509.06-5,261.15-1,560.20

Finding the Fourth Proportional to 3,509.06, 5,261.15 and 1,560.20

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Solution

The fourth proportional to 3,509.06, 5,261.15 and 1,560.20 is: 2,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.06 : 5,261.15 = 1,560.20 : x
  2. Step 2: Convert to fraction form
    3,509.06/5,261.15 = 1,560.20/x
  3. Step 3: Cross multiply
    3,509.06x = 5,261.15 × 1,560.20
  4. Step 4: Simplify right side
    3,509.06x = 8,208,423.82
  5. Step 5: Solve for x
    x = 8,208,423.82/3,509.06
  6. Step 6: Final answer
    x = 2,339.21

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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.