Home / 2,948.02-4,068.26-1,621.80

Finding the Fourth Proportional to 2,948.02, 4,068.26 and 1,621.80

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Solution

The fourth proportional to 2,948.02, 4,068.26 and 1,621.80 is: 2,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.02 : 4,068.26 = 1,621.80 : x
  2. Step 2: Convert to fraction form
    2,948.02/4,068.26 = 1,621.80/x
  3. Step 3: Cross multiply
    2,948.02x = 4,068.26 × 1,621.80
  4. Step 4: Simplify right side
    2,948.02x = 6,597,904.07
  5. Step 5: Solve for x
    x = 6,597,904.07/2,948.02
  6. Step 6: Final answer
    x = 2,238.08

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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.