Home / 2,636.37-3,638.07-1,457.42

Finding the Fourth Proportional to 2,636.37, 3,638.07 and 1,457.42

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Solution

The fourth proportional to 2,636.37, 3,638.07 and 1,457.42 is: 2,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.37 : 3,638.07 = 1,457.42 : x
  2. Step 2: Convert to fraction form
    2,636.37/3,638.07 = 1,457.42/x
  3. Step 3: Cross multiply
    2,636.37x = 3,638.07 × 1,457.42
  4. Step 4: Simplify right side
    2,636.37x = 5,302,177.79
  5. Step 5: Solve for x
    x = 5,302,177.79/2,636.37
  6. Step 6: Final answer
    x = 2,011.17

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1.5x scale

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.