Home / 1,852.02-2,551.44-1,291.48

Finding the Fourth Proportional to 1,852.02, 2,551.44 and 1,291.48

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Solution

The fourth proportional to 1,852.02, 2,551.44 and 1,291.48 is: 1,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.02 : 2,551.44 = 1,291.48 : x
  2. Step 2: Convert to fraction form
    1,852.02/2,551.44 = 1,291.48/x
  3. Step 3: Cross multiply
    1,852.02x = 2,551.44 × 1,291.48
  4. Step 4: Simplify right side
    1,852.02x = 3,295,133.73
  5. Step 5: Solve for x
    x = 3,295,133.73/1,852.02
  6. Step 6: Final answer
    x = 1,779.21

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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.