Home / 2,655.37-3,981.84-1,560.25

Finding the Fourth Proportional to 2,655.37, 3,981.84 and 1,560.25

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Solution

The fourth proportional to 2,655.37, 3,981.84 and 1,560.25 is: 2,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.37 : 3,981.84 = 1,560.25 : x
  2. Step 2: Convert to fraction form
    2,655.37/3,981.84 = 1,560.25/x
  3. Step 3: Cross multiply
    2,655.37x = 3,981.84 × 1,560.25
  4. Step 4: Simplify right side
    2,655.37x = 6,212,665.86
  5. Step 5: Solve for x
    x = 6,212,665.86/2,655.37
  6. Step 6: Final answer
    x = 2,339.66

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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.