Home / 3,085.29-4,626.81-893.57

Finding the Fourth Proportional to 3,085.29, 4,626.81 and 893.57

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Solution

The fourth proportional to 3,085.29, 4,626.81 and 893.57 is: 1,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.29 : 4,626.81 = 893.57 : x
  2. Step 2: Convert to fraction form
    3,085.29/4,626.81 = 893.57/x
  3. Step 3: Cross multiply
    3,085.29x = 4,626.81 × 893.57
  4. Step 4: Simplify right side
    3,085.29x = 4,134,355.48
  5. Step 5: Solve for x
    x = 4,134,355.48/3,085.29
  6. Step 6: Final answer
    x = 1,340.02

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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.