Home / 1,444.32-2,155.80-1,273.44

Finding the Fourth Proportional to 1,444.32, 2,155.80 and 1,273.44

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Solution

The fourth proportional to 1,444.32, 2,155.80 and 1,273.44 is: 1,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.32 : 2,155.80 = 1,273.44 : x
  2. Step 2: Convert to fraction form
    1,444.32/2,155.80 = 1,273.44/x
  3. Step 3: Cross multiply
    1,444.32x = 2,155.80 × 1,273.44
  4. Step 4: Simplify right side
    1,444.32x = 2,745,281.95
  5. Step 5: Solve for x
    x = 2,745,281.95/1,444.32
  6. Step 6: Final answer
    x = 1,900.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.