Home / 1,459.49-2,012.85-1,313.69

Finding the Fourth Proportional to 1,459.49, 2,012.85 and 1,313.69

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Solution

The fourth proportional to 1,459.49, 2,012.85 and 1,313.69 is: 1,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.49 : 2,012.85 = 1,313.69 : x
  2. Step 2: Convert to fraction form
    1,459.49/2,012.85 = 1,313.69/x
  3. Step 3: Cross multiply
    1,459.49x = 2,012.85 × 1,313.69
  4. Step 4: Simplify right side
    1,459.49x = 2,644,250.85
  5. Step 5: Solve for x
    x = 2,644,250.85/1,459.49
  6. Step 6: Final answer
    x = 1,811.77

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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.