Home / 3,779.10-5,210.73-2,660.22

Finding the Fourth Proportional to 3,779.10, 5,210.73 and 2,660.22

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Solution

The fourth proportional to 3,779.10, 5,210.73 and 2,660.22 is: 3,667.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.10 : 5,210.73 = 2,660.22 : x
  2. Step 2: Convert to fraction form
    3,779.10/5,210.73 = 2,660.22/x
  3. Step 3: Cross multiply
    3,779.10x = 5,210.73 × 2,660.22
  4. Step 4: Simplify right side
    3,779.10x = 13,861,688.16
  5. Step 5: Solve for x
    x = 13,861,688.16/3,779.10
  6. Step 6: Final answer
    x = 3,667.99

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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.