Home / 2,946.30-4,420.17-1,406.94

Finding the Fourth Proportional to 2,946.30, 4,420.17 and 1,406.94

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Solution

The fourth proportional to 2,946.30, 4,420.17 and 1,406.94 is: 2,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.30 : 4,420.17 = 1,406.94 : x
  2. Step 2: Convert to fraction form
    2,946.30/4,420.17 = 1,406.94/x
  3. Step 3: Cross multiply
    2,946.30x = 4,420.17 × 1,406.94
  4. Step 4: Simplify right side
    2,946.30x = 6,218,913.98
  5. Step 5: Solve for x
    x = 6,218,913.98/2,946.30
  6. Step 6: Final answer
    x = 2,110.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.