Home / 3,246.55-4,870.98-1,055.28

Finding the Fourth Proportional to 3,246.55, 4,870.98 and 1,055.28

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Solution

The fourth proportional to 3,246.55, 4,870.98 and 1,055.28 is: 1,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.55 : 4,870.98 = 1,055.28 : x
  2. Step 2: Convert to fraction form
    3,246.55/4,870.98 = 1,055.28/x
  3. Step 3: Cross multiply
    3,246.55x = 4,870.98 × 1,055.28
  4. Step 4: Simplify right side
    3,246.55x = 5,140,266.04
  5. Step 5: Solve for x
    x = 5,140,266.04/3,246.55
  6. Step 6: Final answer
    x = 1,583.30

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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.