Home / 2,390.42-3,296.58-1,550.24

Finding the Fourth Proportional to 2,390.42, 3,296.58 and 1,550.24

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Solution

The fourth proportional to 2,390.42, 3,296.58 and 1,550.24 is: 2,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.42 : 3,296.58 = 1,550.24 : x
  2. Step 2: Convert to fraction form
    2,390.42/3,296.58 = 1,550.24/x
  3. Step 3: Cross multiply
    2,390.42x = 3,296.58 × 1,550.24
  4. Step 4: Simplify right side
    2,390.42x = 5,110,490.18
  5. Step 5: Solve for x
    x = 5,110,490.18/2,390.42
  6. Step 6: Final answer
    x = 2,137.90

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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.