Home / 1,905.21-2,852.80-1,533.04

Finding the Fourth Proportional to 1,905.21, 2,852.80 and 1,533.04

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Solution

The fourth proportional to 1,905.21, 2,852.80 and 1,533.04 is: 2,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.21 : 2,852.80 = 1,533.04 : x
  2. Step 2: Convert to fraction form
    1,905.21/2,852.80 = 1,533.04/x
  3. Step 3: Cross multiply
    1,905.21x = 2,852.80 × 1,533.04
  4. Step 4: Simplify right side
    1,905.21x = 4,373,456.51
  5. Step 5: Solve for x
    x = 4,373,456.51/1,905.21
  6. Step 6: Final answer
    x = 2,295.52

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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.