Home / 3,093.29-4,641.35-1,688.15

Finding the Fourth Proportional to 3,093.29, 4,641.35 and 1,688.15

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Solution

The fourth proportional to 3,093.29, 4,641.35 and 1,688.15 is: 2,532.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.29 : 4,641.35 = 1,688.15 : x
  2. Step 2: Convert to fraction form
    3,093.29/4,641.35 = 1,688.15/x
  3. Step 3: Cross multiply
    3,093.29x = 4,641.35 × 1,688.15
  4. Step 4: Simplify right side
    3,093.29x = 7,835,263.36
  5. Step 5: Solve for x
    x = 7,835,263.36/3,093.29
  6. Step 6: Final answer
    x = 2,532.99

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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.