Home / 2,946.02-4,065.50-1,619.80

Finding the Fourth Proportional to 2,946.02, 4,065.50 and 1,619.80

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Solution

The fourth proportional to 2,946.02, 4,065.50 and 1,619.80 is: 2,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.02 : 4,065.50 = 1,619.80 : x
  2. Step 2: Convert to fraction form
    2,946.02/4,065.50 = 1,619.80/x
  3. Step 3: Cross multiply
    2,946.02x = 4,065.50 × 1,619.80
  4. Step 4: Simplify right side
    2,946.02x = 6,585,268.47
  5. Step 5: Solve for x
    x = 6,585,268.47/2,946.02
  6. Step 6: Final answer
    x = 2,235.31

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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.