Home / 1,406.04-1,940.94-1,377.24

Finding the Fourth Proportional to 1,406.04, 1,940.94 and 1,377.24

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Solution

The fourth proportional to 1,406.04, 1,940.94 and 1,377.24 is: 1,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.04 : 1,940.94 = 1,377.24 : x
  2. Step 2: Convert to fraction form
    1,406.04/1,940.94 = 1,377.24/x
  3. Step 3: Cross multiply
    1,406.04x = 1,940.94 × 1,377.24
  4. Step 4: Simplify right side
    1,406.04x = 2,673,140.21
  5. Step 5: Solve for x
    x = 2,673,140.21/1,406.04
  6. Step 6: Final answer
    x = 1,901.18

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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.