Home / 2,946.85-4,065.80-1,827.83

Finding the Fourth Proportional to 2,946.85, 4,065.80 and 1,827.83

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Solution

The fourth proportional to 2,946.85, 4,065.80 and 1,827.83 is: 2,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.85 : 4,065.80 = 1,827.83 : x
  2. Step 2: Convert to fraction form
    2,946.85/4,065.80 = 1,827.83/x
  3. Step 3: Cross multiply
    2,946.85x = 4,065.80 × 1,827.83
  4. Step 4: Simplify right side
    2,946.85x = 7,431,592.24
  5. Step 5: Solve for x
    x = 7,431,592.24/2,946.85
  6. Step 6: Final answer
    x = 2,521.88

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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.