Home / 2,841.90-4,264.14-1,281.05

Finding the Fourth Proportional to 2,841.90, 4,264.14 and 1,281.05

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Solution

The fourth proportional to 2,841.90, 4,264.14 and 1,281.05 is: 1,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.90 : 4,264.14 = 1,281.05 : x
  2. Step 2: Convert to fraction form
    2,841.90/4,264.14 = 1,281.05/x
  3. Step 3: Cross multiply
    2,841.90x = 4,264.14 × 1,281.05
  4. Step 4: Simplify right side
    2,841.90x = 5,462,555.23
  5. Step 5: Solve for x
    x = 5,462,555.23/2,841.90
  6. Step 6: Final answer
    x = 1,922.15

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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.