Home / 3,807.30-5,710.80-1,210.14

Finding the Fourth Proportional to 3,807.30, 5,710.80 and 1,210.14

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Solution

The fourth proportional to 3,807.30, 5,710.80 and 1,210.14 is: 1,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.30 : 5,710.80 = 1,210.14 : x
  2. Step 2: Convert to fraction form
    3,807.30/5,710.80 = 1,210.14/x
  3. Step 3: Cross multiply
    3,807.30x = 5,710.80 × 1,210.14
  4. Step 4: Simplify right side
    3,807.30x = 6,910,867.51
  5. Step 5: Solve for x
    x = 6,910,867.51/3,807.30
  6. Step 6: Final answer
    x = 1,815.16

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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.