Home / 2,927.35-4,040.13-1,668.86

Finding the Fourth Proportional to 2,927.35, 4,040.13 and 1,668.86

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Solution

The fourth proportional to 2,927.35, 4,040.13 and 1,668.86 is: 2,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.35 : 4,040.13 = 1,668.86 : x
  2. Step 2: Convert to fraction form
    2,927.35/4,040.13 = 1,668.86/x
  3. Step 3: Cross multiply
    2,927.35x = 4,040.13 × 1,668.86
  4. Step 4: Simplify right side
    2,927.35x = 6,742,411.35
  5. Step 5: Solve for x
    x = 6,742,411.35/2,927.35
  6. Step 6: Final answer
    x = 2,303.25

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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.