Home / 2,057.66-2,840.49-1,312.62

Finding the Fourth Proportional to 2,057.66, 2,840.49 and 1,312.62

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Solution

The fourth proportional to 2,057.66, 2,840.49 and 1,312.62 is: 1,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.66 : 2,840.49 = 1,312.62 : x
  2. Step 2: Convert to fraction form
    2,057.66/2,840.49 = 1,312.62/x
  3. Step 3: Cross multiply
    2,057.66x = 2,840.49 × 1,312.62
  4. Step 4: Simplify right side
    2,057.66x = 3,728,483.98
  5. Step 5: Solve for x
    x = 3,728,483.98/2,057.66
  6. Step 6: Final answer
    x = 1,812.00

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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.