Home / 3,862.65-5,330.07-2,370.63

Finding the Fourth Proportional to 3,862.65, 5,330.07 and 2,370.63

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Solution

The fourth proportional to 3,862.65, 5,330.07 and 2,370.63 is: 3,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.65 : 5,330.07 = 2,370.63 : x
  2. Step 2: Convert to fraction form
    3,862.65/5,330.07 = 2,370.63/x
  3. Step 3: Cross multiply
    3,862.65x = 5,330.07 × 2,370.63
  4. Step 4: Simplify right side
    3,862.65x = 12,635,623.84
  5. Step 5: Solve for x
    x = 12,635,623.84/3,862.65
  6. Step 6: Final answer
    x = 3,271.23

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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.