Home / 1,785.09-2,677.28-1,440.44

Finding the Fourth Proportional to 1,785.09, 2,677.28 and 1,440.44

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Solution

The fourth proportional to 1,785.09, 2,677.28 and 1,440.44 is: 2,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.09 : 2,677.28 = 1,440.44 : x
  2. Step 2: Convert to fraction form
    1,785.09/2,677.28 = 1,440.44/x
  3. Step 3: Cross multiply
    1,785.09x = 2,677.28 × 1,440.44
  4. Step 4: Simplify right side
    1,785.09x = 3,856,461.20
  5. Step 5: Solve for x
    x = 3,856,461.20/1,785.09
  6. Step 6: Final answer
    x = 2,160.37

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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.