Home / 1,376.30-1,898.64-1,002.48

Finding the Fourth Proportional to 1,376.30, 1,898.64 and 1,002.48

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Solution

The fourth proportional to 1,376.30, 1,898.64 and 1,002.48 is: 1,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.30 : 1,898.64 = 1,002.48 : x
  2. Step 2: Convert to fraction form
    1,376.30/1,898.64 = 1,002.48/x
  3. Step 3: Cross multiply
    1,376.30x = 1,898.64 × 1,002.48
  4. Step 4: Simplify right side
    1,376.30x = 1,903,348.63
  5. Step 5: Solve for x
    x = 1,903,348.63/1,376.30
  6. Step 6: Final answer
    x = 1,382.95

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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.