Home / 1,745.42-2,408.73-1,047.02

Finding the Fourth Proportional to 1,745.42, 2,408.73 and 1,047.02

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Solution

The fourth proportional to 1,745.42, 2,408.73 and 1,047.02 is: 1,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.42 : 2,408.73 = 1,047.02 : x
  2. Step 2: Convert to fraction form
    1,745.42/2,408.73 = 1,047.02/x
  3. Step 3: Cross multiply
    1,745.42x = 2,408.73 × 1,047.02
  4. Step 4: Simplify right side
    1,745.42x = 2,521,988.48
  5. Step 5: Solve for x
    x = 2,521,988.48/1,745.42
  6. Step 6: Final answer
    x = 1,444.92

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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.