Home / 3,417.51-5,128.70-1,470.27

Finding the Fourth Proportional to 3,417.51, 5,128.70 and 1,470.27

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Solution

The fourth proportional to 3,417.51, 5,128.70 and 1,470.27 is: 2,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.51 : 5,128.70 = 1,470.27 : x
  2. Step 2: Convert to fraction form
    3,417.51/5,128.70 = 1,470.27/x
  3. Step 3: Cross multiply
    3,417.51x = 5,128.70 × 1,470.27
  4. Step 4: Simplify right side
    3,417.51x = 7,540,573.75
  5. Step 5: Solve for x
    x = 7,540,573.75/3,417.51
  6. Step 6: Final answer
    x = 2,206.45

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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.