Home / 2,636.45-3,638.15-1,457.44

Finding the Fourth Proportional to 2,636.45, 3,638.15 and 1,457.44

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Solution

The fourth proportional to 2,636.45, 3,638.15 and 1,457.44 is: 2,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.45 : 3,638.15 = 1,457.44 : x
  2. Step 2: Convert to fraction form
    2,636.45/3,638.15 = 1,457.44/x
  3. Step 3: Cross multiply
    2,636.45x = 3,638.15 × 1,457.44
  4. Step 4: Simplify right side
    2,636.45x = 5,302,374.42
  5. Step 5: Solve for x
    x = 5,302,374.42/2,636.45
  6. Step 6: Final answer
    x = 2,011.18

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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.