Home / 3,656.26-5,483.03-1,315.63

Finding the Fourth Proportional to 3,656.26, 5,483.03 and 1,315.63

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Solution

The fourth proportional to 3,656.26, 5,483.03 and 1,315.63 is: 1,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.26 : 5,483.03 = 1,315.63 : x
  2. Step 2: Convert to fraction form
    3,656.26/5,483.03 = 1,315.63/x
  3. Step 3: Cross multiply
    3,656.26x = 5,483.03 × 1,315.63
  4. Step 4: Simplify right side
    3,656.26x = 7,213,638.76
  5. Step 5: Solve for x
    x = 7,213,638.76/3,656.26
  6. Step 6: Final answer
    x = 1,972.96

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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.