Home / 2,638.04-3,640.28-2,357.37

Finding the Fourth Proportional to 2,638.04, 3,640.28 and 2,357.37

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Solution

The fourth proportional to 2,638.04, 3,640.28 and 2,357.37 is: 3,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.04 : 3,640.28 = 2,357.37 : x
  2. Step 2: Convert to fraction form
    2,638.04/3,640.28 = 2,357.37/x
  3. Step 3: Cross multiply
    2,638.04x = 3,640.28 × 2,357.37
  4. Step 4: Simplify right side
    2,638.04x = 8,581,475.08
  5. Step 5: Solve for x
    x = 8,581,475.08/2,638.04
  6. Step 6: Final answer
    x = 3,252.98

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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.