Home / 1,803.91-2,487.08-1,479.33

Finding the Fourth Proportional to 1,803.91, 2,487.08 and 1,479.33

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Solution

The fourth proportional to 1,803.91, 2,487.08 and 1,479.33 is: 2,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.91 : 2,487.08 = 1,479.33 : x
  2. Step 2: Convert to fraction form
    1,803.91/2,487.08 = 1,479.33/x
  3. Step 3: Cross multiply
    1,803.91x = 2,487.08 × 1,479.33
  4. Step 4: Simplify right side
    1,803.91x = 3,679,208.10
  5. Step 5: Solve for x
    x = 3,679,208.10/1,803.91
  6. Step 6: Final answer
    x = 2,039.57

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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.