Home / 3,285.47-4,533.39-1,887.95

Finding the Fourth Proportional to 3,285.47, 4,533.39 and 1,887.95

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Solution

The fourth proportional to 3,285.47, 4,533.39 and 1,887.95 is: 2,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.47 : 4,533.39 = 1,887.95 : x
  2. Step 2: Convert to fraction form
    3,285.47/4,533.39 = 1,887.95/x
  3. Step 3: Cross multiply
    3,285.47x = 4,533.39 × 1,887.95
  4. Step 4: Simplify right side
    3,285.47x = 8,558,790.98
  5. Step 5: Solve for x
    x = 8,558,790.98/3,285.47
  6. Step 6: Final answer
    x = 2,605.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.