Home / 1,533.98-2,115.64-1,334.46

Finding the Fourth Proportional to 1,533.98, 2,115.64 and 1,334.46

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Solution

The fourth proportional to 1,533.98, 2,115.64 and 1,334.46 is: 1,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.98 : 2,115.64 = 1,334.46 : x
  2. Step 2: Convert to fraction form
    1,533.98/2,115.64 = 1,334.46/x
  3. Step 3: Cross multiply
    1,533.98x = 2,115.64 × 1,334.46
  4. Step 4: Simplify right side
    1,533.98x = 2,823,236.95
  5. Step 5: Solve for x
    x = 2,823,236.95/1,533.98
  6. Step 6: Final answer
    x = 1,840.47

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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.