Home / 3,528.14-4,867.84-2,779.77

Finding the Fourth Proportional to 3,528.14, 4,867.84 and 2,779.77

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Solution

The fourth proportional to 3,528.14, 4,867.84 and 2,779.77 is: 3,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.14 : 4,867.84 = 2,779.77 : x
  2. Step 2: Convert to fraction form
    3,528.14/4,867.84 = 2,779.77/x
  3. Step 3: Cross multiply
    3,528.14x = 4,867.84 × 2,779.77
  4. Step 4: Simplify right side
    3,528.14x = 13,531,461.70
  5. Step 5: Solve for x
    x = 13,531,461.70/3,528.14
  6. Step 6: Final answer
    x = 3,835.30

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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.