Home / 1,905.15-2,852.72-1,532.98

Finding the Fourth Proportional to 1,905.15, 2,852.72 and 1,532.98

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Solution

The fourth proportional to 1,905.15, 2,852.72 and 1,532.98 is: 2,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.15 : 2,852.72 = 1,532.98 : x
  2. Step 2: Convert to fraction form
    1,905.15/2,852.72 = 1,532.98/x
  3. Step 3: Cross multiply
    1,905.15x = 2,852.72 × 1,532.98
  4. Step 4: Simplify right side
    1,905.15x = 4,373,140.78
  5. Step 5: Solve for x
    x = 4,373,140.78/1,905.15
  6. Step 6: Final answer
    x = 2,295.43

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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.