Home / 2,636.60-3,638.49-1,457.66

Finding the Fourth Proportional to 2,636.60, 3,638.49 and 1,457.66

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Solution

The fourth proportional to 2,636.60, 3,638.49 and 1,457.66 is: 2,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.60 : 3,638.49 = 1,457.66 : x
  2. Step 2: Convert to fraction form
    2,636.60/3,638.49 = 1,457.66/x
  3. Step 3: Cross multiply
    2,636.60x = 3,638.49 × 1,457.66
  4. Step 4: Simplify right side
    2,636.60x = 5,303,655.85
  5. Step 5: Solve for x
    x = 5,303,655.85/2,636.60
  6. Step 6: Final answer
    x = 2,011.55

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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.