Home / 1,712.15-2,555.84-1,504.55

Finding the Fourth Proportional to 1,712.15, 2,555.84 and 1,504.55

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Solution

The fourth proportional to 1,712.15, 2,555.84 and 1,504.55 is: 2,245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.15 : 2,555.84 = 1,504.55 : x
  2. Step 2: Convert to fraction form
    1,712.15/2,555.84 = 1,504.55/x
  3. Step 3: Cross multiply
    1,712.15x = 2,555.84 × 1,504.55
  4. Step 4: Simplify right side
    1,712.15x = 3,845,389.07
  5. Step 5: Solve for x
    x = 3,845,389.07/1,712.15
  6. Step 6: Final answer
    x = 2,245.94

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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.