Home / 3,445.32-4,753.80-1,953.12

Finding the Fourth Proportional to 3,445.32, 4,753.80 and 1,953.12

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Solution

The fourth proportional to 3,445.32, 4,753.80 and 1,953.12 is: 2,694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.32 : 4,753.80 = 1,953.12 : x
  2. Step 2: Convert to fraction form
    3,445.32/4,753.80 = 1,953.12/x
  3. Step 3: Cross multiply
    3,445.32x = 4,753.80 × 1,953.12
  4. Step 4: Simplify right side
    3,445.32x = 9,284,741.86
  5. Step 5: Solve for x
    x = 9,284,741.86/3,445.32
  6. Step 6: Final answer
    x = 2,694.89

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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.