Home / 1,486.07-2,044.86-1,440.98

Finding the Fourth Proportional to 1,486.07, 2,044.86 and 1,440.98

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Solution

The fourth proportional to 1,486.07, 2,044.86 and 1,440.98 is: 1,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.07 : 2,044.86 = 1,440.98 : x
  2. Step 2: Convert to fraction form
    1,486.07/2,044.86 = 1,440.98/x
  3. Step 3: Cross multiply
    1,486.07x = 2,044.86 × 1,440.98
  4. Step 4: Simplify right side
    1,486.07x = 2,946,592.14
  5. Step 5: Solve for x
    x = 2,946,592.14/1,486.07
  6. Step 6: Final answer
    x = 1,982.82

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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.