Home / 3,409.09-4,704.04-1,916.93

Finding the Fourth Proportional to 3,409.09, 4,704.04 and 1,916.93

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Solution

The fourth proportional to 3,409.09, 4,704.04 and 1,916.93 is: 2,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.09 : 4,704.04 = 1,916.93 : x
  2. Step 2: Convert to fraction form
    3,409.09/4,704.04 = 1,916.93/x
  3. Step 3: Cross multiply
    3,409.09x = 4,704.04 × 1,916.93
  4. Step 4: Simplify right side
    3,409.09x = 9,017,315.40
  5. Step 5: Solve for x
    x = 9,017,315.40/3,409.09
  6. Step 6: Final answer
    x = 2,645.08

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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.