Home / 2,421.59-3,341.68-1,344.79

Finding the Fourth Proportional to 2,421.59, 3,341.68 and 1,344.79

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Solution

The fourth proportional to 2,421.59, 3,341.68 and 1,344.79 is: 1,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.59 : 3,341.68 = 1,344.79 : x
  2. Step 2: Convert to fraction form
    2,421.59/3,341.68 = 1,344.79/x
  3. Step 3: Cross multiply
    2,421.59x = 3,341.68 × 1,344.79
  4. Step 4: Simplify right side
    2,421.59x = 4,493,846.13
  5. Step 5: Solve for x
    x = 4,493,846.13/2,421.59
  6. Step 6: Final answer
    x = 1,855.75

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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.