Home / 1,366.84-2,057.95-1,247.56

Finding the Fourth Proportional to 1,366.84, 2,057.95 and 1,247.56

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Solution

The fourth proportional to 1,366.84, 2,057.95 and 1,247.56 is: 1,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.84 : 2,057.95 = 1,247.56 : x
  2. Step 2: Convert to fraction form
    1,366.84/2,057.95 = 1,247.56/x
  3. Step 3: Cross multiply
    1,366.84x = 2,057.95 × 1,247.56
  4. Step 4: Simplify right side
    1,366.84x = 2,567,416.10
  5. Step 5: Solve for x
    x = 2,567,416.10/1,366.84
  6. Step 6: Final answer
    x = 1,878.36

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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.