Home / 1,895.32-2,613.30-1,231.24

Finding the Fourth Proportional to 1,895.32, 2,613.30 and 1,231.24

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Solution

The fourth proportional to 1,895.32, 2,613.30 and 1,231.24 is: 1,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.32 : 2,613.30 = 1,231.24 : x
  2. Step 2: Convert to fraction form
    1,895.32/2,613.30 = 1,231.24/x
  3. Step 3: Cross multiply
    1,895.32x = 2,613.30 × 1,231.24
  4. Step 4: Simplify right side
    1,895.32x = 3,217,599.49
  5. Step 5: Solve for x
    x = 3,217,599.49/1,895.32
  6. Step 6: Final answer
    x = 1,697.66

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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.