Home / 2,745.20-4,117.30-2,285.93

Finding the Fourth Proportional to 2,745.20, 4,117.30 and 2,285.93

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Solution

The fourth proportional to 2,745.20, 4,117.30 and 2,285.93 is: 3,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.20 : 4,117.30 = 2,285.93 : x
  2. Step 2: Convert to fraction form
    2,745.20/4,117.30 = 2,285.93/x
  3. Step 3: Cross multiply
    2,745.20x = 4,117.30 × 2,285.93
  4. Step 4: Simplify right side
    2,745.20x = 9,411,864.17
  5. Step 5: Solve for x
    x = 9,411,864.17/2,745.20
  6. Step 6: Final answer
    x = 3,428.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.