Home / 1,479.18-2,218.88-894.84

Finding the Fourth Proportional to 1,479.18, 2,218.88 and 894.84

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Solution

The fourth proportional to 1,479.18, 2,218.88 and 894.84 is: 1,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.18 : 2,218.88 = 894.84 : x
  2. Step 2: Convert to fraction form
    1,479.18/2,218.88 = 894.84/x
  3. Step 3: Cross multiply
    1,479.18x = 2,218.88 × 894.84
  4. Step 4: Simplify right side
    1,479.18x = 1,985,531.46
  5. Step 5: Solve for x
    x = 1,985,531.46/1,479.18
  6. Step 6: Final answer
    x = 1,342.32

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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.