Home / 2,631.04-3,630.71-1,511.19

Finding the Fourth Proportional to 2,631.04, 3,630.71 and 1,511.19

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Solution

The fourth proportional to 2,631.04, 3,630.71 and 1,511.19 is: 2,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.04 : 3,630.71 = 1,511.19 : x
  2. Step 2: Convert to fraction form
    2,631.04/3,630.71 = 1,511.19/x
  3. Step 3: Cross multiply
    2,631.04x = 3,630.71 × 1,511.19
  4. Step 4: Simplify right side
    2,631.04x = 5,486,666.94
  5. Step 5: Solve for x
    x = 5,486,666.94/2,631.04
  6. Step 6: Final answer
    x = 2,085.36

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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.