Home / 2,807.51-4,204.88-1,709.45

Finding the Fourth Proportional to 2,807.51, 4,204.88 and 1,709.45

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Solution

The fourth proportional to 2,807.51, 4,204.88 and 1,709.45 is: 2,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.51 : 4,204.88 = 1,709.45 : x
  2. Step 2: Convert to fraction form
    2,807.51/4,204.88 = 1,709.45/x
  3. Step 3: Cross multiply
    2,807.51x = 4,204.88 × 1,709.45
  4. Step 4: Simplify right side
    2,807.51x = 7,188,002.54
  5. Step 5: Solve for x
    x = 7,188,002.54/2,807.51
  6. Step 6: Final answer
    x = 2,560.28

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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.