Home / 3,612.51-5,415.48-1,303.47

Finding the Fourth Proportional to 3,612.51, 5,415.48 and 1,303.47

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Solution

The fourth proportional to 3,612.51, 5,415.48 and 1,303.47 is: 1,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.51 : 5,415.48 = 1,303.47 : x
  2. Step 2: Convert to fraction form
    3,612.51/5,415.48 = 1,303.47/x
  3. Step 3: Cross multiply
    3,612.51x = 5,415.48 × 1,303.47
  4. Step 4: Simplify right side
    3,612.51x = 7,058,915.72
  5. Step 5: Solve for x
    x = 7,058,915.72/3,612.51
  6. Step 6: Final answer
    x = 1,954.02

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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.