Home / 1,815.96-2,506.14-1,029.72

Finding the Fourth Proportional to 1,815.96, 2,506.14 and 1,029.72

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Solution

The fourth proportional to 1,815.96, 2,506.14 and 1,029.72 is: 1,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.96 : 2,506.14 = 1,029.72 : x
  2. Step 2: Convert to fraction form
    1,815.96/2,506.14 = 1,029.72/x
  3. Step 3: Cross multiply
    1,815.96x = 2,506.14 × 1,029.72
  4. Step 4: Simplify right side
    1,815.96x = 2,580,622.48
  5. Step 5: Solve for x
    x = 2,580,622.48/1,815.96
  6. Step 6: Final answer
    x = 1,421.08

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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.