Home / 1,718.97-2,556.38-1,664.29

Finding the Fourth Proportional to 1,718.97, 2,556.38 and 1,664.29

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Solution

The fourth proportional to 1,718.97, 2,556.38 and 1,664.29 is: 2,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.97 : 2,556.38 = 1,664.29 : x
  2. Step 2: Convert to fraction form
    1,718.97/2,556.38 = 1,664.29/x
  3. Step 3: Cross multiply
    1,718.97x = 2,556.38 × 1,664.29
  4. Step 4: Simplify right side
    1,718.97x = 4,254,557.67
  5. Step 5: Solve for x
    x = 4,254,557.67/1,718.97
  6. Step 6: Final answer
    x = 2,475.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.