Home / 2,826.10-3,899.88-1,646.98

Finding the Fourth Proportional to 2,826.10, 3,899.88 and 1,646.98

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Solution

The fourth proportional to 2,826.10, 3,899.88 and 1,646.98 is: 2,272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.10 : 3,899.88 = 1,646.98 : x
  2. Step 2: Convert to fraction form
    2,826.10/3,899.88 = 1,646.98/x
  3. Step 3: Cross multiply
    2,826.10x = 3,899.88 × 1,646.98
  4. Step 4: Simplify right side
    2,826.10x = 6,423,024.36
  5. Step 5: Solve for x
    x = 6,423,024.36/2,826.10
  6. Step 6: Final answer
    x = 2,272.75

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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.