Home / 2,827.40-3,902.83-1,835.35

Finding the Fourth Proportional to 2,827.40, 3,902.83 and 1,835.35

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Solution

The fourth proportional to 2,827.40, 3,902.83 and 1,835.35 is: 2,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.40 : 3,902.83 = 1,835.35 : x
  2. Step 2: Convert to fraction form
    2,827.40/3,902.83 = 1,835.35/x
  3. Step 3: Cross multiply
    2,827.40x = 3,902.83 × 1,835.35
  4. Step 4: Simplify right side
    2,827.40x = 7,163,044.70
  5. Step 5: Solve for x
    x = 7,163,044.70/2,827.40
  6. Step 6: Final answer
    x = 2,533.44

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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.