Home / 2,809.08-4,230.36-2,448.36

Finding the Fourth Proportional to 2,809.08, 4,230.36 and 2,448.36

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Solution

The fourth proportional to 2,809.08, 4,230.36 and 2,448.36 is: 3,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.08 : 4,230.36 = 2,448.36 : x
  2. Step 2: Convert to fraction form
    2,809.08/4,230.36 = 2,448.36/x
  3. Step 3: Cross multiply
    2,809.08x = 4,230.36 × 2,448.36
  4. Step 4: Simplify right side
    2,809.08x = 10,357,444.21
  5. Step 5: Solve for x
    x = 10,357,444.21/2,809.08
  6. Step 6: Final answer
    x = 3,687.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.