Home / 1,554.03-2,147.40-1,180.35

Finding the Fourth Proportional to 1,554.03, 2,147.40 and 1,180.35

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Solution

The fourth proportional to 1,554.03, 2,147.40 and 1,180.35 is: 1,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.03 : 2,147.40 = 1,180.35 : x
  2. Step 2: Convert to fraction form
    1,554.03/2,147.40 = 1,180.35/x
  3. Step 3: Cross multiply
    1,554.03x = 2,147.40 × 1,180.35
  4. Step 4: Simplify right side
    1,554.03x = 2,534,683.59
  5. Step 5: Solve for x
    x = 2,534,683.59/1,554.03
  6. Step 6: Final answer
    x = 1,631.04

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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.