Home / 3,054.78-4,215.40-1,710.17

Finding the Fourth Proportional to 3,054.78, 4,215.40 and 1,710.17

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Solution

The fourth proportional to 3,054.78, 4,215.40 and 1,710.17 is: 2,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.78 : 4,215.40 = 1,710.17 : x
  2. Step 2: Convert to fraction form
    3,054.78/4,215.40 = 1,710.17/x
  3. Step 3: Cross multiply
    3,054.78x = 4,215.40 × 1,710.17
  4. Step 4: Simplify right side
    3,054.78x = 7,209,050.62
  5. Step 5: Solve for x
    x = 7,209,050.62/3,054.78
  6. Step 6: Final answer
    x = 2,359.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.