Home / 2,824.74-4,238.55-1,345.63

Finding the Fourth Proportional to 2,824.74, 4,238.55 and 1,345.63

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Solution

The fourth proportional to 2,824.74, 4,238.55 and 1,345.63 is: 2,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.74 : 4,238.55 = 1,345.63 : x
  2. Step 2: Convert to fraction form
    2,824.74/4,238.55 = 1,345.63/x
  3. Step 3: Cross multiply
    2,824.74x = 4,238.55 × 1,345.63
  4. Step 4: Simplify right side
    2,824.74x = 5,703,520.04
  5. Step 5: Solve for x
    x = 5,703,520.04/2,824.74
  6. Step 6: Final answer
    x = 2,019.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.