Home / 2,848.16-3,931.37-1,669

Finding the Fourth Proportional to 2,848.16, 3,931.37 and 1,669

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Solution

The fourth proportional to 2,848.16, 3,931.37 and 1,669 is: 2,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.16 : 3,931.37 = 1,669 : x
  2. Step 2: Convert to fraction form
    2,848.16/3,931.37 = 1,669/x
  3. Step 3: Cross multiply
    2,848.16x = 3,931.37 × 1,669
  4. Step 4: Simplify right side
    2,848.16x = 6,561,448.19
  5. Step 5: Solve for x
    x = 6,561,448.19/2,848.16
  6. Step 6: Final answer
    x = 2,303.75

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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.