Home / 2,599.18-3,916.31-2,147.09

Finding the Fourth Proportional to 2,599.18, 3,916.31 and 2,147.09

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Solution

The fourth proportional to 2,599.18, 3,916.31 and 2,147.09 is: 3,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.18 : 3,916.31 = 2,147.09 : x
  2. Step 2: Convert to fraction form
    2,599.18/3,916.31 = 2,147.09/x
  3. Step 3: Cross multiply
    2,599.18x = 3,916.31 × 2,147.09
  4. Step 4: Simplify right side
    2,599.18x = 8,408,670.04
  5. Step 5: Solve for x
    x = 8,408,670.04/2,599.18
  6. Step 6: Final answer
    x = 3,235.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.