Home / 2,153.72-3,232.02-1,604.18

Finding the Fourth Proportional to 2,153.72, 3,232.02 and 1,604.18

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Solution

The fourth proportional to 2,153.72, 3,232.02 and 1,604.18 is: 2,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.72 : 3,232.02 = 1,604.18 : x
  2. Step 2: Convert to fraction form
    2,153.72/3,232.02 = 1,604.18/x
  3. Step 3: Cross multiply
    2,153.72x = 3,232.02 × 1,604.18
  4. Step 4: Simplify right side
    2,153.72x = 5,184,741.84
  5. Step 5: Solve for x
    x = 5,184,741.84/2,153.72
  6. Step 6: Final answer
    x = 2,407.34

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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.