Home / 2,623.58-3,916.18-2,312.20

Finding the Fourth Proportional to 2,623.58, 3,916.18 and 2,312.20

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Solution

The fourth proportional to 2,623.58, 3,916.18 and 2,312.20 is: 3,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.58 : 3,916.18 = 2,312.20 : x
  2. Step 2: Convert to fraction form
    2,623.58/3,916.18 = 2,312.20/x
  3. Step 3: Cross multiply
    2,623.58x = 3,916.18 × 2,312.20
  4. Step 4: Simplify right side
    2,623.58x = 9,054,995.93
  5. Step 5: Solve for x
    x = 9,054,995.93/2,623.58
  6. Step 6: Final answer
    x = 3,451.39

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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.