Home / 3,434.80-5,152.16-837.76

Finding the Fourth Proportional to 3,434.80, 5,152.16 and 837.76

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Solution

The fourth proportional to 3,434.80, 5,152.16 and 837.76 is: 1,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.80 : 5,152.16 = 837.76 : x
  2. Step 2: Convert to fraction form
    3,434.80/5,152.16 = 837.76/x
  3. Step 3: Cross multiply
    3,434.80x = 5,152.16 × 837.76
  4. Step 4: Simplify right side
    3,434.80x = 4,316,273.56
  5. Step 5: Solve for x
    x = 4,316,273.56/3,434.80
  6. Step 6: Final answer
    x = 1,256.63

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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.