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Finding the Fourth Proportional to 1,834.83, 2,739.05 and 1,572

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Solution

The fourth proportional to 1,834.83, 2,739.05 and 1,572 is: 2,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.83 : 2,739.05 = 1,572 : x
  2. Step 2: Convert to fraction form
    1,834.83/2,739.05 = 1,572/x
  3. Step 3: Cross multiply
    1,834.83x = 2,739.05 × 1,572
  4. Step 4: Simplify right side
    1,834.83x = 4,305,778.74
  5. Step 5: Solve for x
    x = 4,305,778.74/1,834.83
  6. Step 6: Final answer
    x = 2,346.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.