Home / 1,845.08-2,545.44-1,216.45

Finding the Fourth Proportional to 1,845.08, 2,545.44 and 1,216.45

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Solution

The fourth proportional to 1,845.08, 2,545.44 and 1,216.45 is: 1,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.08 : 2,545.44 = 1,216.45 : x
  2. Step 2: Convert to fraction form
    1,845.08/2,545.44 = 1,216.45/x
  3. Step 3: Cross multiply
    1,845.08x = 2,545.44 × 1,216.45
  4. Step 4: Simplify right side
    1,845.08x = 3,096,387.76
  5. Step 5: Solve for x
    x = 3,096,387.76/1,845.08
  6. Step 6: Final answer
    x = 1,678.19

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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.