Home / 2,745.38-3,784.65-1,695.62

Finding the Fourth Proportional to 2,745.38, 3,784.65 and 1,695.62

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Solution

The fourth proportional to 2,745.38, 3,784.65 and 1,695.62 is: 2,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.38 : 3,784.65 = 1,695.62 : x
  2. Step 2: Convert to fraction form
    2,745.38/3,784.65 = 1,695.62/x
  3. Step 3: Cross multiply
    2,745.38x = 3,784.65 × 1,695.62
  4. Step 4: Simplify right side
    2,745.38x = 6,417,328.23
  5. Step 5: Solve for x
    x = 6,417,328.23/2,745.38
  6. Step 6: Final answer
    x = 2,337.50

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1.5x scale

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.