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Finding the Fourth Proportional to 1,835.80, 2,533.16 and 1,339.00

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Solution

The fourth proportional to 1,835.80, 2,533.16 and 1,339.00 is: 1,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.80 : 2,533.16 = 1,339.00 : x
  2. Step 2: Convert to fraction form
    1,835.80/2,533.16 = 1,339.00/x
  3. Step 3: Cross multiply
    1,835.80x = 2,533.16 × 1,339.00
  4. Step 4: Simplify right side
    1,835.80x = 3,391,898.25
  5. Step 5: Solve for x
    x = 3,391,898.25/1,835.80
  6. Step 6: Final answer
    x = 1,847.64

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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.