Home / 1,798.11-2,466.78-1,781.10

Finding the Fourth Proportional to 1,798.11, 2,466.78 and 1,781.10

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Solution

The fourth proportional to 1,798.11, 2,466.78 and 1,781.10 is: 2,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.11 : 2,466.78 = 1,781.10 : x
  2. Step 2: Convert to fraction form
    1,798.11/2,466.78 = 1,781.10/x
  3. Step 3: Cross multiply
    1,798.11x = 2,466.78 × 1,781.10
  4. Step 4: Simplify right side
    1,798.11x = 4,393,575.18
  5. Step 5: Solve for x
    x = 4,393,575.18/1,798.11
  6. Step 6: Final answer
    x = 2,443.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.