Home / 1,803.41-2,488.77-1,057.26

Finding the Fourth Proportional to 1,803.41, 2,488.77 and 1,057.26

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Solution

The fourth proportional to 1,803.41, 2,488.77 and 1,057.26 is: 1,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.41 : 2,488.77 = 1,057.26 : x
  2. Step 2: Convert to fraction form
    1,803.41/2,488.77 = 1,057.26/x
  3. Step 3: Cross multiply
    1,803.41x = 2,488.77 × 1,057.26
  4. Step 4: Simplify right side
    1,803.41x = 2,631,276.97
  5. Step 5: Solve for x
    x = 2,631,276.97/1,803.41
  6. Step 6: Final answer
    x = 1,459.06

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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.