Home / 2,341.85-3,232.42-1,385.64

Finding the Fourth Proportional to 2,341.85, 3,232.42 and 1,385.64

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Solution

The fourth proportional to 2,341.85, 3,232.42 and 1,385.64 is: 1,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.85 : 3,232.42 = 1,385.64 : x
  2. Step 2: Convert to fraction form
    2,341.85/3,232.42 = 1,385.64/x
  3. Step 3: Cross multiply
    2,341.85x = 3,232.42 × 1,385.64
  4. Step 4: Simplify right side
    2,341.85x = 4,478,966.98
  5. Step 5: Solve for x
    x = 4,478,966.98/2,341.85
  6. Step 6: Final answer
    x = 1,912.58

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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.