Home / 2,880.07-3,973.29-1,760.65

Finding the Fourth Proportional to 2,880.07, 3,973.29 and 1,760.65

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Solution

The fourth proportional to 2,880.07, 3,973.29 and 1,760.65 is: 2,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.07 : 3,973.29 = 1,760.65 : x
  2. Step 2: Convert to fraction form
    2,880.07/3,973.29 = 1,760.65/x
  3. Step 3: Cross multiply
    2,880.07x = 3,973.29 × 1,760.65
  4. Step 4: Simplify right side
    2,880.07x = 6,995,556.50
  5. Step 5: Solve for x
    x = 6,995,556.50/2,880.07
  6. Step 6: Final answer
    x = 2,428.96

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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.