Home / 2,946.95-4,421.33-1,485.60

Finding the Fourth Proportional to 2,946.95, 4,421.33 and 1,485.60

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Solution

The fourth proportional to 2,946.95, 4,421.33 and 1,485.60 is: 2,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.95 : 4,421.33 = 1,485.60 : x
  2. Step 2: Convert to fraction form
    2,946.95/4,421.33 = 1,485.60/x
  3. Step 3: Cross multiply
    2,946.95x = 4,421.33 × 1,485.60
  4. Step 4: Simplify right side
    2,946.95x = 6,568,320.42
  5. Step 5: Solve for x
    x = 6,568,320.42/2,946.95
  6. Step 6: Final answer
    x = 2,228.86

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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.