Home / 2,146.02-2,961-1,214.52

Finding the Fourth Proportional to 2,146.02, 2,961 and 1,214.52

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Solution

The fourth proportional to 2,146.02, 2,961 and 1,214.52 is: 1,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.02 : 2,961 = 1,214.52 : x
  2. Step 2: Convert to fraction form
    2,146.02/2,961 = 1,214.52/x
  3. Step 3: Cross multiply
    2,146.02x = 2,961 × 1,214.52
  4. Step 4: Simplify right side
    2,146.02x = 3,596,193.72
  5. Step 5: Solve for x
    x = 3,596,193.72/2,146.02
  6. Step 6: Final answer
    x = 1,675.75

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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.