Home / 2,263.58-3,124.70-1,379.70

Finding the Fourth Proportional to 2,263.58, 3,124.70 and 1,379.70

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Solution

The fourth proportional to 2,263.58, 3,124.70 and 1,379.70 is: 1,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.58 : 3,124.70 = 1,379.70 : x
  2. Step 2: Convert to fraction form
    2,263.58/3,124.70 = 1,379.70/x
  3. Step 3: Cross multiply
    2,263.58x = 3,124.70 × 1,379.70
  4. Step 4: Simplify right side
    2,263.58x = 4,311,148.59
  5. Step 5: Solve for x
    x = 4,311,148.59/2,263.58
  6. Step 6: Final answer
    x = 1,904.57

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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.