Home / 2,946.55-4,065.21-1,827.07

Finding the Fourth Proportional to 2,946.55, 4,065.21 and 1,827.07

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Solution

The fourth proportional to 2,946.55, 4,065.21 and 1,827.07 is: 2,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.55 : 4,065.21 = 1,827.07 : x
  2. Step 2: Convert to fraction form
    2,946.55/4,065.21 = 1,827.07/x
  3. Step 3: Cross multiply
    2,946.55x = 4,065.21 × 1,827.07
  4. Step 4: Simplify right side
    2,946.55x = 7,427,433.40
  5. Step 5: Solve for x
    x = 7,427,433.40/2,946.55
  6. Step 6: Final answer
    x = 2,520.73

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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.