Home / 4,188.65-5,780.43-2,510.21

Finding the Fourth Proportional to 4,188.65, 5,780.43 and 2,510.21

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Solution

The fourth proportional to 4,188.65, 5,780.43 and 2,510.21 is: 3,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.65 : 5,780.43 = 2,510.21 : x
  2. Step 2: Convert to fraction form
    4,188.65/5,780.43 = 2,510.21/x
  3. Step 3: Cross multiply
    4,188.65x = 5,780.43 × 2,510.21
  4. Step 4: Simplify right side
    4,188.65x = 14,510,093.19
  5. Step 5: Solve for x
    x = 14,510,093.19/4,188.65
  6. Step 6: Final answer
    x = 3,464.15

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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.