Home / 1,835.52-2,533.68-1,172.40

Finding the Fourth Proportional to 1,835.52, 2,533.68 and 1,172.40

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Solution

The fourth proportional to 1,835.52, 2,533.68 and 1,172.40 is: 1,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.52 : 2,533.68 = 1,172.40 : x
  2. Step 2: Convert to fraction form
    1,835.52/2,533.68 = 1,172.40/x
  3. Step 3: Cross multiply
    1,835.52x = 2,533.68 × 1,172.40
  4. Step 4: Simplify right side
    1,835.52x = 2,970,486.43
  5. Step 5: Solve for x
    x = 2,970,486.43/1,835.52
  6. Step 6: Final answer
    x = 1,618.34

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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.