Home / 3,411.08-4,707.32-2,013.80

Finding the Fourth Proportional to 3,411.08, 4,707.32 and 2,013.80

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Solution

The fourth proportional to 3,411.08, 4,707.32 and 2,013.80 is: 2,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.08 : 4,707.32 = 2,013.80 : x
  2. Step 2: Convert to fraction form
    3,411.08/4,707.32 = 2,013.80/x
  3. Step 3: Cross multiply
    3,411.08x = 4,707.32 × 2,013.80
  4. Step 4: Simplify right side
    3,411.08x = 9,479,601.02
  5. Step 5: Solve for x
    x = 9,479,601.02/3,411.08
  6. Step 6: Final answer
    x = 2,779.06

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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.