Home / 2,485.27-3,429.65-1,366.18

Finding the Fourth Proportional to 2,485.27, 3,429.65 and 1,366.18

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Solution

The fourth proportional to 2,485.27, 3,429.65 and 1,366.18 is: 1,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.27 : 3,429.65 = 1,366.18 : x
  2. Step 2: Convert to fraction form
    2,485.27/3,429.65 = 1,366.18/x
  3. Step 3: Cross multiply
    2,485.27x = 3,429.65 × 1,366.18
  4. Step 4: Simplify right side
    2,485.27x = 4,685,514.08
  5. Step 5: Solve for x
    x = 4,685,514.08/2,485.27
  6. Step 6: Final answer
    x = 1,885.32

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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.