Home / 2,235.41-3,084.51-1,240.53

Finding the Fourth Proportional to 2,235.41, 3,084.51 and 1,240.53

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Solution

The fourth proportional to 2,235.41, 3,084.51 and 1,240.53 is: 1,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.41 : 3,084.51 = 1,240.53 : x
  2. Step 2: Convert to fraction form
    2,235.41/3,084.51 = 1,240.53/x
  3. Step 3: Cross multiply
    2,235.41x = 3,084.51 × 1,240.53
  4. Step 4: Simplify right side
    2,235.41x = 3,826,427.19
  5. Step 5: Solve for x
    x = 3,826,427.19/2,235.41
  6. Step 6: Final answer
    x = 1,711.73

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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.