Home / 3,108.93-4,285.29-2,435.57

Finding the Fourth Proportional to 3,108.93, 4,285.29 and 2,435.57

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Solution

The fourth proportional to 3,108.93, 4,285.29 and 2,435.57 is: 3,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.93 : 4,285.29 = 2,435.57 : x
  2. Step 2: Convert to fraction form
    3,108.93/4,285.29 = 2,435.57/x
  3. Step 3: Cross multiply
    3,108.93x = 4,285.29 × 2,435.57
  4. Step 4: Simplify right side
    3,108.93x = 10,437,123.77
  5. Step 5: Solve for x
    x = 10,437,123.77/3,108.93
  6. Step 6: Final answer
    x = 3,357.14

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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.