Home / 1,909.79-2,636.70-1,466.81

Finding the Fourth Proportional to 1,909.79, 2,636.70 and 1,466.81

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Solution

The fourth proportional to 1,909.79, 2,636.70 and 1,466.81 is: 2,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.79 : 2,636.70 = 1,466.81 : x
  2. Step 2: Convert to fraction form
    1,909.79/2,636.70 = 1,466.81/x
  3. Step 3: Cross multiply
    1,909.79x = 2,636.70 × 1,466.81
  4. Step 4: Simplify right side
    1,909.79x = 3,867,537.93
  5. Step 5: Solve for x
    x = 3,867,537.93/1,909.79
  6. Step 6: Final answer
    x = 2,025.11

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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.