Home / 2,553.72-3,525.47-1,718.81

Finding the Fourth Proportional to 2,553.72, 3,525.47 and 1,718.81

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Solution

The fourth proportional to 2,553.72, 3,525.47 and 1,718.81 is: 2,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.72 : 3,525.47 = 1,718.81 : x
  2. Step 2: Convert to fraction form
    2,553.72/3,525.47 = 1,718.81/x
  3. Step 3: Cross multiply
    2,553.72x = 3,525.47 × 1,718.81
  4. Step 4: Simplify right side
    2,553.72x = 6,059,595.46
  5. Step 5: Solve for x
    x = 6,059,595.46/2,553.72
  6. Step 6: Final answer
    x = 2,372.86

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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.