Home / 2,017.16-3,025.40-649.16

Finding the Fourth Proportional to 2,017.16, 3,025.40 and 649.16

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Solution

The fourth proportional to 2,017.16, 3,025.40 and 649.16 is: 973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.16 : 3,025.40 = 649.16 : x
  2. Step 2: Convert to fraction form
    2,017.16/3,025.40 = 649.16/x
  3. Step 3: Cross multiply
    2,017.16x = 3,025.40 × 649.16
  4. Step 4: Simplify right side
    2,017.16x = 1,963,968.66
  5. Step 5: Solve for x
    x = 1,963,968.66/2,017.16
  6. Step 6: Final answer
    x = 973.63

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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.