Home / 2,827.62-3,904.65-1,834.50

Finding the Fourth Proportional to 2,827.62, 3,904.65 and 1,834.50

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Solution

The fourth proportional to 2,827.62, 3,904.65 and 1,834.50 is: 2,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.62 : 3,904.65 = 1,834.50 : x
  2. Step 2: Convert to fraction form
    2,827.62/3,904.65 = 1,834.50/x
  3. Step 3: Cross multiply
    2,827.62x = 3,904.65 × 1,834.50
  4. Step 4: Simplify right side
    2,827.62x = 7,163,080.43
  5. Step 5: Solve for x
    x = 7,163,080.43/2,827.62
  6. Step 6: Final answer
    x = 2,533.25

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1.5x scale

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.