Home / 1,107.02-1,654.49-1,019.45

Finding the Fourth Proportional to 1,107.02, 1,654.49 and 1,019.45

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Solution

The fourth proportional to 1,107.02, 1,654.49 and 1,019.45 is: 1,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107.02 : 1,654.49 = 1,019.45 : x
  2. Step 2: Convert to fraction form
    1,107.02/1,654.49 = 1,019.45/x
  3. Step 3: Cross multiply
    1,107.02x = 1,654.49 × 1,019.45
  4. Step 4: Simplify right side
    1,107.02x = 1,686,656.46
  5. Step 5: Solve for x
    x = 1,686,656.46/1,107.02
  6. Step 6: Final answer
    x = 1,523.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.