Home / 2,887.37-4,331.05-1,653.92

Finding the Fourth Proportional to 2,887.37, 4,331.05 and 1,653.92

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Solution

The fourth proportional to 2,887.37, 4,331.05 and 1,653.92 is: 2,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.37 : 4,331.05 = 1,653.92 : x
  2. Step 2: Convert to fraction form
    2,887.37/4,331.05 = 1,653.92/x
  3. Step 3: Cross multiply
    2,887.37x = 4,331.05 × 1,653.92
  4. Step 4: Simplify right side
    2,887.37x = 7,163,216.91
  5. Step 5: Solve for x
    x = 7,163,216.91/2,887.37
  6. Step 6: Final answer
    x = 2,480.88

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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.