Home / 1,014.48-1,390.95-1,004.76

Finding the Fourth Proportional to 1,014.48, 1,390.95 and 1,004.76

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Solution

The fourth proportional to 1,014.48, 1,390.95 and 1,004.76 is: 1,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.48 : 1,390.95 = 1,004.76 : x
  2. Step 2: Convert to fraction form
    1,014.48/1,390.95 = 1,004.76/x
  3. Step 3: Cross multiply
    1,014.48x = 1,390.95 × 1,004.76
  4. Step 4: Simplify right side
    1,014.48x = 1,397,570.92
  5. Step 5: Solve for x
    x = 1,397,570.92/1,014.48
  6. Step 6: Final answer
    x = 1,377.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.