Home / 2,062.67-2,846.70-1,223.51

Finding the Fourth Proportional to 2,062.67, 2,846.70 and 1,223.51

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Solution

The fourth proportional to 2,062.67, 2,846.70 and 1,223.51 is: 1,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.67 : 2,846.70 = 1,223.51 : x
  2. Step 2: Convert to fraction form
    2,062.67/2,846.70 = 1,223.51/x
  3. Step 3: Cross multiply
    2,062.67x = 2,846.70 × 1,223.51
  4. Step 4: Simplify right side
    2,062.67x = 3,482,959.80
  5. Step 5: Solve for x
    x = 3,482,959.80/2,062.67
  6. Step 6: Final answer
    x = 1,688.57

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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.