Home / 2,077.16-2,866.94-1,415.60

Finding the Fourth Proportional to 2,077.16, 2,866.94 and 1,415.60

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Solution

The fourth proportional to 2,077.16, 2,866.94 and 1,415.60 is: 1,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.16 : 2,866.94 = 1,415.60 : x
  2. Step 2: Convert to fraction form
    2,077.16/2,866.94 = 1,415.60/x
  3. Step 3: Cross multiply
    2,077.16x = 2,866.94 × 1,415.60
  4. Step 4: Simplify right side
    2,077.16x = 4,058,440.26
  5. Step 5: Solve for x
    x = 4,058,440.26/2,077.16
  6. Step 6: Final answer
    x = 1,953.84

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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.