Home / 3,626.40-5,435.93-1,436.65

Finding the Fourth Proportional to 3,626.40, 5,435.93 and 1,436.65

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Solution

The fourth proportional to 3,626.40, 5,435.93 and 1,436.65 is: 2,153.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.40 : 5,435.93 = 1,436.65 : x
  2. Step 2: Convert to fraction form
    3,626.40/5,435.93 = 1,436.65/x
  3. Step 3: Cross multiply
    3,626.40x = 5,435.93 × 1,436.65
  4. Step 4: Simplify right side
    3,626.40x = 7,809,521.65
  5. Step 5: Solve for x
    x = 7,809,521.65/3,626.40
  6. Step 6: Final answer
    x = 2,153.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.