Home / 2,376.16-3,279.02-1,313.91

Finding the Fourth Proportional to 2,376.16, 3,279.02 and 1,313.91

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Solution

The fourth proportional to 2,376.16, 3,279.02 and 1,313.91 is: 1,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.16 : 3,279.02 = 1,313.91 : x
  2. Step 2: Convert to fraction form
    2,376.16/3,279.02 = 1,313.91/x
  3. Step 3: Cross multiply
    2,376.16x = 3,279.02 × 1,313.91
  4. Step 4: Simplify right side
    2,376.16x = 4,308,337.17
  5. Step 5: Solve for x
    x = 4,308,337.17/2,376.16
  6. Step 6: Final answer
    x = 1,813.15

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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.