Home / 2,289.45-3,158.89-1,344.93

Finding the Fourth Proportional to 2,289.45, 3,158.89 and 1,344.93

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Solution

The fourth proportional to 2,289.45, 3,158.89 and 1,344.93 is: 1,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.45 : 3,158.89 = 1,344.93 : x
  2. Step 2: Convert to fraction form
    2,289.45/3,158.89 = 1,344.93/x
  3. Step 3: Cross multiply
    2,289.45x = 3,158.89 × 1,344.93
  4. Step 4: Simplify right side
    2,289.45x = 4,248,485.93
  5. Step 5: Solve for x
    x = 4,248,485.93/2,289.45
  6. Step 6: Final answer
    x = 1,855.68

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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.