Home / 3,126.06-4,688.96-1,277.10

Finding the Fourth Proportional to 3,126.06, 4,688.96 and 1,277.10

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Solution

The fourth proportional to 3,126.06, 4,688.96 and 1,277.10 is: 1,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.06 : 4,688.96 = 1,277.10 : x
  2. Step 2: Convert to fraction form
    3,126.06/4,688.96 = 1,277.10/x
  3. Step 3: Cross multiply
    3,126.06x = 4,688.96 × 1,277.10
  4. Step 4: Simplify right side
    3,126.06x = 5,988,264.43
  5. Step 5: Solve for x
    x = 5,988,264.43/3,126.06
  6. Step 6: Final answer
    x = 1,915.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.