Home / 3,550.08-4,898.37-1,977.87

Finding the Fourth Proportional to 3,550.08, 4,898.37 and 1,977.87

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Solution

The fourth proportional to 3,550.08, 4,898.37 and 1,977.87 is: 2,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.08 : 4,898.37 = 1,977.87 : x
  2. Step 2: Convert to fraction form
    3,550.08/4,898.37 = 1,977.87/x
  3. Step 3: Cross multiply
    3,550.08x = 4,898.37 × 1,977.87
  4. Step 4: Simplify right side
    3,550.08x = 9,688,339.07
  5. Step 5: Solve for x
    x = 9,688,339.07/3,550.08
  6. Step 6: Final answer
    x = 2,729.05

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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.