Home / 1,376.95-2,076.23-1,262.14

Finding the Fourth Proportional to 1,376.95, 2,076.23 and 1,262.14

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Solution

The fourth proportional to 1,376.95, 2,076.23 and 1,262.14 is: 1,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.95 : 2,076.23 = 1,262.14 : x
  2. Step 2: Convert to fraction form
    1,376.95/2,076.23 = 1,262.14/x
  3. Step 3: Cross multiply
    1,376.95x = 2,076.23 × 1,262.14
  4. Step 4: Simplify right side
    1,376.95x = 2,620,492.93
  5. Step 5: Solve for x
    x = 2,620,492.93/1,376.95
  6. Step 6: Final answer
    x = 1,903.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.