Home / 2,376.02-3,278.77-1,313.72

Finding the Fourth Proportional to 2,376.02, 3,278.77 and 1,313.72

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Solution

The fourth proportional to 2,376.02, 3,278.77 and 1,313.72 is: 1,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.02 : 3,278.77 = 1,313.72 : x
  2. Step 2: Convert to fraction form
    2,376.02/3,278.77 = 1,313.72/x
  3. Step 3: Cross multiply
    2,376.02x = 3,278.77 × 1,313.72
  4. Step 4: Simplify right side
    2,376.02x = 4,307,398.03
  5. Step 5: Solve for x
    x = 4,307,398.03/2,376.02
  6. Step 6: Final answer
    x = 1,812.86

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1.5x scale

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.