Home / 3,802.08-5,703.48-1,205.40

Finding the Fourth Proportional to 3,802.08, 5,703.48 and 1,205.40

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Solution

The fourth proportional to 3,802.08, 5,703.48 and 1,205.40 is: 1,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.08 : 5,703.48 = 1,205.40 : x
  2. Step 2: Convert to fraction form
    3,802.08/5,703.48 = 1,205.40/x
  3. Step 3: Cross multiply
    3,802.08x = 5,703.48 × 1,205.40
  4. Step 4: Simplify right side
    3,802.08x = 6,874,974.79
  5. Step 5: Solve for x
    x = 6,874,974.79/3,802.08
  6. Step 6: Final answer
    x = 1,808.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.