Home / 2,386.79-3,291.50-1,827.29

Finding the Fourth Proportional to 2,386.79, 3,291.50 and 1,827.29

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Solution

The fourth proportional to 2,386.79, 3,291.50 and 1,827.29 is: 2,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.79 : 3,291.50 = 1,827.29 : x
  2. Step 2: Convert to fraction form
    2,386.79/3,291.50 = 1,827.29/x
  3. Step 3: Cross multiply
    2,386.79x = 3,291.50 × 1,827.29
  4. Step 4: Simplify right side
    2,386.79x = 6,014,513.15
  5. Step 5: Solve for x
    x = 6,014,513.15/2,386.79
  6. Step 6: Final answer
    x = 2,519.91

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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.