Home / 1,485.18-2,214.87-1,465.34

Finding the Fourth Proportional to 1,485.18, 2,214.87 and 1,465.34

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Solution

The fourth proportional to 1,485.18, 2,214.87 and 1,465.34 is: 2,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.18 : 2,214.87 = 1,465.34 : x
  2. Step 2: Convert to fraction form
    1,485.18/2,214.87 = 1,465.34/x
  3. Step 3: Cross multiply
    1,485.18x = 2,214.87 × 1,465.34
  4. Step 4: Simplify right side
    1,485.18x = 3,245,526.53
  5. Step 5: Solve for x
    x = 3,245,526.53/1,485.18
  6. Step 6: Final answer
    x = 2,185.27

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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.