Home / 2,988.63-4,478.83-1,524.72

Finding the Fourth Proportional to 2,988.63, 4,478.83 and 1,524.72

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Solution

The fourth proportional to 2,988.63, 4,478.83 and 1,524.72 is: 2,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.63 : 4,478.83 = 1,524.72 : x
  2. Step 2: Convert to fraction form
    2,988.63/4,478.83 = 1,524.72/x
  3. Step 3: Cross multiply
    2,988.63x = 4,478.83 × 1,524.72
  4. Step 4: Simplify right side
    2,988.63x = 6,828,974.66
  5. Step 5: Solve for x
    x = 6,828,974.66/2,988.63
  6. Step 6: Final answer
    x = 2,284.98

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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.