Home / 2,985.53-4,477.24-1,230.47

Finding the Fourth Proportional to 2,985.53, 4,477.24 and 1,230.47

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Solution

The fourth proportional to 2,985.53, 4,477.24 and 1,230.47 is: 1,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.53 : 4,477.24 = 1,230.47 : x
  2. Step 2: Convert to fraction form
    2,985.53/4,477.24 = 1,230.47/x
  3. Step 3: Cross multiply
    2,985.53x = 4,477.24 × 1,230.47
  4. Step 4: Simplify right side
    2,985.53x = 5,509,084.04
  5. Step 5: Solve for x
    x = 5,509,084.04/2,985.53
  6. Step 6: Final answer
    x = 1,845.26

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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.