Home / 1,465.70-2,187.96-1,246.94

Finding the Fourth Proportional to 1,465.70, 2,187.96 and 1,246.94

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Solution

The fourth proportional to 1,465.70, 2,187.96 and 1,246.94 is: 1,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.70 : 2,187.96 = 1,246.94 : x
  2. Step 2: Convert to fraction form
    1,465.70/2,187.96 = 1,246.94/x
  3. Step 3: Cross multiply
    1,465.70x = 2,187.96 × 1,246.94
  4. Step 4: Simplify right side
    1,465.70x = 2,728,254.84
  5. Step 5: Solve for x
    x = 2,728,254.84/1,465.70
  6. Step 6: Final answer
    x = 1,861.40

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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.