Home / 1,835.13-2,746.30-1,728.51

Finding the Fourth Proportional to 1,835.13, 2,746.30 and 1,728.51

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Solution

The fourth proportional to 1,835.13, 2,746.30 and 1,728.51 is: 2,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.13 : 2,746.30 = 1,728.51 : x
  2. Step 2: Convert to fraction form
    1,835.13/2,746.30 = 1,728.51/x
  3. Step 3: Cross multiply
    1,835.13x = 2,746.30 × 1,728.51
  4. Step 4: Simplify right side
    1,835.13x = 4,747,007.01
  5. Step 5: Solve for x
    x = 4,747,007.01/1,835.13
  6. Step 6: Final answer
    x = 2,586.74

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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.