Home / 1,776.28-2,667.48-1,698.16

Finding the Fourth Proportional to 1,776.28, 2,667.48 and 1,698.16

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Solution

The fourth proportional to 1,776.28, 2,667.48 and 1,698.16 is: 2,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.28 : 2,667.48 = 1,698.16 : x
  2. Step 2: Convert to fraction form
    1,776.28/2,667.48 = 1,698.16/x
  3. Step 3: Cross multiply
    1,776.28x = 2,667.48 × 1,698.16
  4. Step 4: Simplify right side
    1,776.28x = 4,529,807.84
  5. Step 5: Solve for x
    x = 4,529,807.84/1,776.28
  6. Step 6: Final answer
    x = 2,550.17

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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.