Home / 3,246.16-4,870.20-1,055.20

Finding the Fourth Proportional to 3,246.16, 4,870.20 and 1,055.20

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Solution

The fourth proportional to 3,246.16, 4,870.20 and 1,055.20 is: 1,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.16 : 4,870.20 = 1,055.20 : x
  2. Step 2: Convert to fraction form
    3,246.16/4,870.20 = 1,055.20/x
  3. Step 3: Cross multiply
    3,246.16x = 4,870.20 × 1,055.20
  4. Step 4: Simplify right side
    3,246.16x = 5,139,035.04
  5. Step 5: Solve for x
    x = 5,139,035.04/3,246.16
  6. Step 6: Final answer
    x = 1,583.11

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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.