Home / 3,638.42-5,457.51-1,006.08

Finding the Fourth Proportional to 3,638.42, 5,457.51 and 1,006.08

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Solution

The fourth proportional to 3,638.42, 5,457.51 and 1,006.08 is: 1,509.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.42 : 5,457.51 = 1,006.08 : x
  2. Step 2: Convert to fraction form
    3,638.42/5,457.51 = 1,006.08/x
  3. Step 3: Cross multiply
    3,638.42x = 5,457.51 × 1,006.08
  4. Step 4: Simplify right side
    3,638.42x = 5,490,691.66
  5. Step 5: Solve for x
    x = 5,490,691.66/3,638.42
  6. Step 6: Final answer
    x = 1,509.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.