Home / 3,135.29-4,325.56-1,876.39

Finding the Fourth Proportional to 3,135.29, 4,325.56 and 1,876.39

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Solution

The fourth proportional to 3,135.29, 4,325.56 and 1,876.39 is: 2,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.29 : 4,325.56 = 1,876.39 : x
  2. Step 2: Convert to fraction form
    3,135.29/4,325.56 = 1,876.39/x
  3. Step 3: Cross multiply
    3,135.29x = 4,325.56 × 1,876.39
  4. Step 4: Simplify right side
    3,135.29x = 8,116,437.53
  5. Step 5: Solve for x
    x = 8,116,437.53/3,135.29
  6. Step 6: Final answer
    x = 2,588.74

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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.