Home / 2,630.34-3,630.06-1,511.28

Finding the Fourth Proportional to 2,630.34, 3,630.06 and 1,511.28

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Solution

The fourth proportional to 2,630.34, 3,630.06 and 1,511.28 is: 2,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.34 : 3,630.06 = 1,511.28 : x
  2. Step 2: Convert to fraction form
    2,630.34/3,630.06 = 1,511.28/x
  3. Step 3: Cross multiply
    2,630.34x = 3,630.06 × 1,511.28
  4. Step 4: Simplify right side
    2,630.34x = 5,486,037.08
  5. Step 5: Solve for x
    x = 5,486,037.08/2,630.34
  6. Step 6: Final answer
    x = 2,085.68

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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.