Home / 3,135.92-4,328.44-1,810.15

Finding the Fourth Proportional to 3,135.92, 4,328.44 and 1,810.15

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Solution

The fourth proportional to 3,135.92, 4,328.44 and 1,810.15 is: 2,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.92 : 4,328.44 = 1,810.15 : x
  2. Step 2: Convert to fraction form
    3,135.92/4,328.44 = 1,810.15/x
  3. Step 3: Cross multiply
    3,135.92x = 4,328.44 × 1,810.15
  4. Step 4: Simplify right side
    3,135.92x = 7,835,110.32
  5. Step 5: Solve for x
    x = 7,835,110.32/3,135.92
  6. Step 6: Final answer
    x = 2,498.51

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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.