Home / 2,689.46-4,014.13-2,623.84

Finding the Fourth Proportional to 2,689.46, 4,014.13 and 2,623.84

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Solution

The fourth proportional to 2,689.46, 4,014.13 and 2,623.84 is: 3,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689.46 : 4,014.13 = 2,623.84 : x
  2. Step 2: Convert to fraction form
    2,689.46/4,014.13 = 2,623.84/x
  3. Step 3: Cross multiply
    2,689.46x = 4,014.13 × 2,623.84
  4. Step 4: Simplify right side
    2,689.46x = 10,532,421.74
  5. Step 5: Solve for x
    x = 10,532,421.74/2,689.46
  6. Step 6: Final answer
    x = 3,916.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.