Home / 1,754.24-2,420.78-1,055.48

Finding the Fourth Proportional to 1,754.24, 2,420.78 and 1,055.48

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Solution

The fourth proportional to 1,754.24, 2,420.78 and 1,055.48 is: 1,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.24 : 2,420.78 = 1,055.48 : x
  2. Step 2: Convert to fraction form
    1,754.24/2,420.78 = 1,055.48/x
  3. Step 3: Cross multiply
    1,754.24x = 2,420.78 × 1,055.48
  4. Step 4: Simplify right side
    1,754.24x = 2,555,075.41
  5. Step 5: Solve for x
    x = 2,555,075.41/1,754.24
  6. Step 6: Final answer
    x = 1,456.52

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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.