Home / 2,124.59-3,193.03-1,976.95

Finding the Fourth Proportional to 2,124.59, 3,193.03 and 1,976.95

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Solution

The fourth proportional to 2,124.59, 3,193.03 and 1,976.95 is: 2,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.59 : 3,193.03 = 1,976.95 : x
  2. Step 2: Convert to fraction form
    2,124.59/3,193.03 = 1,976.95/x
  3. Step 3: Cross multiply
    2,124.59x = 3,193.03 × 1,976.95
  4. Step 4: Simplify right side
    2,124.59x = 6,312,446.21
  5. Step 5: Solve for x
    x = 6,312,446.21/2,124.59
  6. Step 6: Final answer
    x = 2,971.13

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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.