Home / 1,114.02-1,540.08-1,103.52

Finding the Fourth Proportional to 1,114.02, 1,540.08 and 1,103.52

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Solution

The fourth proportional to 1,114.02, 1,540.08 and 1,103.52 is: 1,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.02 : 1,540.08 = 1,103.52 : x
  2. Step 2: Convert to fraction form
    1,114.02/1,540.08 = 1,103.52/x
  3. Step 3: Cross multiply
    1,114.02x = 1,540.08 × 1,103.52
  4. Step 4: Simplify right side
    1,114.02x = 1,699,509.08
  5. Step 5: Solve for x
    x = 1,699,509.08/1,114.02
  6. Step 6: Final answer
    x = 1,525.56

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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.