Home / 1,880.42-2,596.15-1,208.49

Finding the Fourth Proportional to 1,880.42, 2,596.15 and 1,208.49

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Solution

The fourth proportional to 1,880.42, 2,596.15 and 1,208.49 is: 1,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.42 : 2,596.15 = 1,208.49 : x
  2. Step 2: Convert to fraction form
    1,880.42/2,596.15 = 1,208.49/x
  3. Step 3: Cross multiply
    1,880.42x = 2,596.15 × 1,208.49
  4. Step 4: Simplify right side
    1,880.42x = 3,137,421.31
  5. Step 5: Solve for x
    x = 3,137,421.31/1,880.42
  6. Step 6: Final answer
    x = 1,668.47

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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.