Home / 1,810.25-2,497.71-1,138.18

Finding the Fourth Proportional to 1,810.25, 2,497.71 and 1,138.18

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Solution

The fourth proportional to 1,810.25, 2,497.71 and 1,138.18 is: 1,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.25 : 2,497.71 = 1,138.18 : x
  2. Step 2: Convert to fraction form
    1,810.25/2,497.71 = 1,138.18/x
  3. Step 3: Cross multiply
    1,810.25x = 2,497.71 × 1,138.18
  4. Step 4: Simplify right side
    1,810.25x = 2,842,843.57
  5. Step 5: Solve for x
    x = 2,842,843.57/1,810.25
  6. Step 6: Final answer
    x = 1,570.41

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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.