Home / 2,807.04-4,210.62-727.07

Finding the Fourth Proportional to 2,807.04, 4,210.62 and 727.07

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Solution

The fourth proportional to 2,807.04, 4,210.62 and 727.07 is: 1,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.04 : 4,210.62 = 727.07 : x
  2. Step 2: Convert to fraction form
    2,807.04/4,210.62 = 727.07/x
  3. Step 3: Cross multiply
    2,807.04x = 4,210.62 × 727.07
  4. Step 4: Simplify right side
    2,807.04x = 3,061,415.48
  5. Step 5: Solve for x
    x = 3,061,415.48/2,807.04
  6. Step 6: Final answer
    x = 1,090.62

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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.