Home / 1,976.48-2,726.64-1,148

Finding the Fourth Proportional to 1,976.48, 2,726.64 and 1,148

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Solution

The fourth proportional to 1,976.48, 2,726.64 and 1,148 is: 1,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.48 : 2,726.64 = 1,148 : x
  2. Step 2: Convert to fraction form
    1,976.48/2,726.64 = 1,148/x
  3. Step 3: Cross multiply
    1,976.48x = 2,726.64 × 1,148
  4. Step 4: Simplify right side
    1,976.48x = 3,130,182.72
  5. Step 5: Solve for x
    x = 3,130,182.72/1,976.48
  6. Step 6: Final answer
    x = 1,583.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.