Home / 2,985.21-4,466.57-2,682.07

Finding the Fourth Proportional to 2,985.21, 4,466.57 and 2,682.07

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Solution

The fourth proportional to 2,985.21, 4,466.57 and 2,682.07 is: 4,013.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.21 : 4,466.57 = 2,682.07 : x
  2. Step 2: Convert to fraction form
    2,985.21/4,466.57 = 2,682.07/x
  3. Step 3: Cross multiply
    2,985.21x = 4,466.57 × 2,682.07
  4. Step 4: Simplify right side
    2,985.21x = 11,979,653.40
  5. Step 5: Solve for x
    x = 11,979,653.40/2,985.21
  6. Step 6: Final answer
    x = 4,013.00

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1.5x scale

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.