Home / 3,870.08-5,804.75-1,404.80

Finding the Fourth Proportional to 3,870.08, 5,804.75 and 1,404.80

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Solution

The fourth proportional to 3,870.08, 5,804.75 and 1,404.80 is: 2,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.08 : 5,804.75 = 1,404.80 : x
  2. Step 2: Convert to fraction form
    3,870.08/5,804.75 = 1,404.80/x
  3. Step 3: Cross multiply
    3,870.08x = 5,804.75 × 1,404.80
  4. Step 4: Simplify right side
    3,870.08x = 8,154,476.75
  5. Step 5: Solve for x
    x = 8,154,476.75/3,870.08
  6. Step 6: Final answer
    x = 2,107.06

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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.