Home / 2,485.10-3,429.49-1,366.11

Finding the Fourth Proportional to 2,485.10, 3,429.49 and 1,366.11

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Solution

The fourth proportional to 2,485.10, 3,429.49 and 1,366.11 is: 1,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.10 : 3,429.49 = 1,366.11 : x
  2. Step 2: Convert to fraction form
    2,485.10/3,429.49 = 1,366.11/x
  3. Step 3: Cross multiply
    2,485.10x = 3,429.49 × 1,366.11
  4. Step 4: Simplify right side
    2,485.10x = 4,685,060.58
  5. Step 5: Solve for x
    x = 4,685,060.58/2,485.10
  6. Step 6: Final answer
    x = 1,885.26

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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.