Home / 2,555.69-3,834.95-1,943.19

Finding the Fourth Proportional to 2,555.69, 3,834.95 and 1,943.19

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Solution

The fourth proportional to 2,555.69, 3,834.95 and 1,943.19 is: 2,915.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.69 : 3,834.95 = 1,943.19 : x
  2. Step 2: Convert to fraction form
    2,555.69/3,834.95 = 1,943.19/x
  3. Step 3: Cross multiply
    2,555.69x = 3,834.95 × 1,943.19
  4. Step 4: Simplify right side
    2,555.69x = 7,452,026.77
  5. Step 5: Solve for x
    x = 7,452,026.77/2,555.69
  6. Step 6: Final answer
    x = 2,915.86

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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.