Home / 2,946.18-4,065.62-1,898.84

Finding the Fourth Proportional to 2,946.18, 4,065.62 and 1,898.84

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Solution

The fourth proportional to 2,946.18, 4,065.62 and 1,898.84 is: 2,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.18 : 4,065.62 = 1,898.84 : x
  2. Step 2: Convert to fraction form
    2,946.18/4,065.62 = 1,898.84/x
  3. Step 3: Cross multiply
    2,946.18x = 4,065.62 × 1,898.84
  4. Step 4: Simplify right side
    2,946.18x = 7,719,961.88
  5. Step 5: Solve for x
    x = 7,719,961.88/2,946.18
  6. Step 6: Final answer
    x = 2,620.33

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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.