Home / 2,485.08-3,429.49-1,366.07

Finding the Fourth Proportional to 2,485.08, 3,429.49 and 1,366.07

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Solution

The fourth proportional to 2,485.08, 3,429.49 and 1,366.07 is: 1,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.08 : 3,429.49 = 1,366.07 : x
  2. Step 2: Convert to fraction form
    2,485.08/3,429.49 = 1,366.07/x
  3. Step 3: Cross multiply
    2,485.08x = 3,429.49 × 1,366.07
  4. Step 4: Simplify right side
    2,485.08x = 4,684,905.40
  5. Step 5: Solve for x
    x = 4,684,905.40/2,485.08
  6. Step 6: Final answer
    x = 1,885.21

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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.