Home / 2,841.51-4,263.42-1,259.40

Finding the Fourth Proportional to 2,841.51, 4,263.42 and 1,259.40

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Solution

The fourth proportional to 2,841.51, 4,263.42 and 1,259.40 is: 1,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.51 : 4,263.42 = 1,259.40 : x
  2. Step 2: Convert to fraction form
    2,841.51/4,263.42 = 1,259.40/x
  3. Step 3: Cross multiply
    2,841.51x = 4,263.42 × 1,259.40
  4. Step 4: Simplify right side
    2,841.51x = 5,369,351.15
  5. Step 5: Solve for x
    x = 5,369,351.15/2,841.51
  6. Step 6: Final answer
    x = 1,889.61

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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.