Home / 2,156.97-2,977.98-1,493.58

Finding the Fourth Proportional to 2,156.97, 2,977.98 and 1,493.58

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Solution

The fourth proportional to 2,156.97, 2,977.98 and 1,493.58 is: 2,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.97 : 2,977.98 = 1,493.58 : x
  2. Step 2: Convert to fraction form
    2,156.97/2,977.98 = 1,493.58/x
  3. Step 3: Cross multiply
    2,156.97x = 2,977.98 × 1,493.58
  4. Step 4: Simplify right side
    2,156.97x = 4,447,851.37
  5. Step 5: Solve for x
    x = 4,447,851.37/2,156.97
  6. Step 6: Final answer
    x = 2,062.08

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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.