Home / 3,790.09-5,228.49-2,445.35

Finding the Fourth Proportional to 3,790.09, 5,228.49 and 2,445.35

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Solution

The fourth proportional to 3,790.09, 5,228.49 and 2,445.35 is: 3,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.09 : 5,228.49 = 2,445.35 : x
  2. Step 2: Convert to fraction form
    3,790.09/5,228.49 = 2,445.35/x
  3. Step 3: Cross multiply
    3,790.09x = 5,228.49 × 2,445.35
  4. Step 4: Simplify right side
    3,790.09x = 12,785,488.02
  5. Step 5: Solve for x
    x = 12,785,488.02/3,790.09
  6. Step 6: Final answer
    x = 3,373.40

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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.