Home / 2,685.53-3,706.95-1,623.89

Finding the Fourth Proportional to 2,685.53, 3,706.95 and 1,623.89

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Solution

The fourth proportional to 2,685.53, 3,706.95 and 1,623.89 is: 2,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.53 : 3,706.95 = 1,623.89 : x
  2. Step 2: Convert to fraction form
    2,685.53/3,706.95 = 1,623.89/x
  3. Step 3: Cross multiply
    2,685.53x = 3,706.95 × 1,623.89
  4. Step 4: Simplify right side
    2,685.53x = 6,019,679.04
  5. Step 5: Solve for x
    x = 6,019,679.04/2,685.53
  6. Step 6: Final answer
    x = 2,241.52

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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.