Home / 2,664.70-3,677.28-1,485.80

Finding the Fourth Proportional to 2,664.70, 3,677.28 and 1,485.80

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Solution

The fourth proportional to 2,664.70, 3,677.28 and 1,485.80 is: 2,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.70 : 3,677.28 = 1,485.80 : x
  2. Step 2: Convert to fraction form
    2,664.70/3,677.28 = 1,485.80/x
  3. Step 3: Cross multiply
    2,664.70x = 3,677.28 × 1,485.80
  4. Step 4: Simplify right side
    2,664.70x = 5,463,702.62
  5. Step 5: Solve for x
    x = 5,463,702.62/2,664.70
  6. Step 6: Final answer
    x = 2,050.40

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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.