Home / 3,880.98-5,820.75-1,283.58

Finding the Fourth Proportional to 3,880.98, 5,820.75 and 1,283.58

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Solution

The fourth proportional to 3,880.98, 5,820.75 and 1,283.58 is: 1,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.98 : 5,820.75 = 1,283.58 : x
  2. Step 2: Convert to fraction form
    3,880.98/5,820.75 = 1,283.58/x
  3. Step 3: Cross multiply
    3,880.98x = 5,820.75 × 1,283.58
  4. Step 4: Simplify right side
    3,880.98x = 7,471,398.29
  5. Step 5: Solve for x
    x = 7,471,398.29/3,880.98
  6. Step 6: Final answer
    x = 1,925.13

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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.