Home / 1,411.44-1,946.88-1,363.92

Finding the Fourth Proportional to 1,411.44, 1,946.88 and 1,363.92

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Solution

The fourth proportional to 1,411.44, 1,946.88 and 1,363.92 is: 1,881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.44 : 1,946.88 = 1,363.92 : x
  2. Step 2: Convert to fraction form
    1,411.44/1,946.88 = 1,363.92/x
  3. Step 3: Cross multiply
    1,411.44x = 1,946.88 × 1,363.92
  4. Step 4: Simplify right side
    1,411.44x = 2,655,388.57
  5. Step 5: Solve for x
    x = 2,655,388.57/1,411.44
  6. Step 6: Final answer
    x = 1,881.33

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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.