Home / 2,318.85-3,476.39-837.63

Finding the Fourth Proportional to 2,318.85, 3,476.39 and 837.63

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Solution

The fourth proportional to 2,318.85, 3,476.39 and 837.63 is: 1,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.85 : 3,476.39 = 837.63 : x
  2. Step 2: Convert to fraction form
    2,318.85/3,476.39 = 837.63/x
  3. Step 3: Cross multiply
    2,318.85x = 3,476.39 × 837.63
  4. Step 4: Simplify right side
    2,318.85x = 2,911,924.37
  5. Step 5: Solve for x
    x = 2,911,924.37/2,318.85
  6. Step 6: Final answer
    x = 1,255.76

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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.