Home / 1,246.49-1,867.67-1,015.50

Finding the Fourth Proportional to 1,246.49, 1,867.67 and 1,015.50

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Solution

The fourth proportional to 1,246.49, 1,867.67 and 1,015.50 is: 1,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.49 : 1,867.67 = 1,015.50 : x
  2. Step 2: Convert to fraction form
    1,246.49/1,867.67 = 1,015.50/x
  3. Step 3: Cross multiply
    1,246.49x = 1,867.67 × 1,015.50
  4. Step 4: Simplify right side
    1,246.49x = 1,896,613.81
  5. Step 5: Solve for x
    x = 1,896,613.81/1,246.49
  6. Step 6: Final answer
    x = 1,521.57

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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.