Home / 4,283.65-5,907.60-2,690.45

Finding the Fourth Proportional to 4,283.65, 5,907.60 and 2,690.45

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Solution

The fourth proportional to 4,283.65, 5,907.60 and 2,690.45 is: 3,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.65 : 5,907.60 = 2,690.45 : x
  2. Step 2: Convert to fraction form
    4,283.65/5,907.60 = 2,690.45/x
  3. Step 3: Cross multiply
    4,283.65x = 5,907.60 × 2,690.45
  4. Step 4: Simplify right side
    4,283.65x = 15,894,071.22
  5. Step 5: Solve for x
    x = 15,894,071.22/4,283.65
  6. Step 6: Final answer
    x = 3,710.40

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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.