Home / 2,887.61-4,331.88-1,426.77

Finding the Fourth Proportional to 2,887.61, 4,331.88 and 1,426.77

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Solution

The fourth proportional to 2,887.61, 4,331.88 and 1,426.77 is: 2,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.61 : 4,331.88 = 1,426.77 : x
  2. Step 2: Convert to fraction form
    2,887.61/4,331.88 = 1,426.77/x
  3. Step 3: Cross multiply
    2,887.61x = 4,331.88 × 1,426.77
  4. Step 4: Simplify right side
    2,887.61x = 6,180,596.43
  5. Step 5: Solve for x
    x = 6,180,596.43/2,887.61
  6. Step 6: Final answer
    x = 2,140.39

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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.