Home / 2,826.89-3,901.91-1,707.63

Finding the Fourth Proportional to 2,826.89, 3,901.91 and 1,707.63

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Solution

The fourth proportional to 2,826.89, 3,901.91 and 1,707.63 is: 2,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.89 : 3,901.91 = 1,707.63 : x
  2. Step 2: Convert to fraction form
    2,826.89/3,901.91 = 1,707.63/x
  3. Step 3: Cross multiply
    2,826.89x = 3,901.91 × 1,707.63
  4. Step 4: Simplify right side
    2,826.89x = 6,663,018.57
  5. Step 5: Solve for x
    x = 6,663,018.57/2,826.89
  6. Step 6: Final answer
    x = 2,357.01

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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.