Home / 2,574.39-3,550.05-2,289.90

Finding the Fourth Proportional to 2,574.39, 3,550.05 and 2,289.90

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Solution

The fourth proportional to 2,574.39, 3,550.05 and 2,289.90 is: 3,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.39 : 3,550.05 = 2,289.90 : x
  2. Step 2: Convert to fraction form
    2,574.39/3,550.05 = 2,289.90/x
  3. Step 3: Cross multiply
    2,574.39x = 3,550.05 × 2,289.90
  4. Step 4: Simplify right side
    2,574.39x = 8,129,259.50
  5. Step 5: Solve for x
    x = 8,129,259.50/2,574.39
  6. Step 6: Final answer
    x = 3,157.74

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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.