Home / 3,488.24-4,813.88-1,975.70

Finding the Fourth Proportional to 3,488.24, 4,813.88 and 1,975.70

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Solution

The fourth proportional to 3,488.24, 4,813.88 and 1,975.70 is: 2,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.24 : 4,813.88 = 1,975.70 : x
  2. Step 2: Convert to fraction form
    3,488.24/4,813.88 = 1,975.70/x
  3. Step 3: Cross multiply
    3,488.24x = 4,813.88 × 1,975.70
  4. Step 4: Simplify right side
    3,488.24x = 9,510,748.77
  5. Step 5: Solve for x
    x = 9,510,748.77/3,488.24
  6. Step 6: Final answer
    x = 2,726.52

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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.