Home / 3,617.63-5,426.45-1,153.21

Finding the Fourth Proportional to 3,617.63, 5,426.45 and 1,153.21

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Solution

The fourth proportional to 3,617.63, 5,426.45 and 1,153.21 is: 1,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.63 : 5,426.45 = 1,153.21 : x
  2. Step 2: Convert to fraction form
    3,617.63/5,426.45 = 1,153.21/x
  3. Step 3: Cross multiply
    3,617.63x = 5,426.45 × 1,153.21
  4. Step 4: Simplify right side
    3,617.63x = 6,257,803.51
  5. Step 5: Solve for x
    x = 6,257,803.51/3,617.63
  6. Step 6: Final answer
    x = 1,729.81

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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.