Home / 2,980.93-4,468.16-1,247.53

Finding the Fourth Proportional to 2,980.93, 4,468.16 and 1,247.53

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Solution

The fourth proportional to 2,980.93, 4,468.16 and 1,247.53 is: 1,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.93 : 4,468.16 = 1,247.53 : x
  2. Step 2: Convert to fraction form
    2,980.93/4,468.16 = 1,247.53/x
  3. Step 3: Cross multiply
    2,980.93x = 4,468.16 × 1,247.53
  4. Step 4: Simplify right side
    2,980.93x = 5,574,157.41
  5. Step 5: Solve for x
    x = 5,574,157.41/2,980.93
  6. Step 6: Final answer
    x = 1,869.94

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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.