Home / 1,485.53-2,217.32-1,310.42

Finding the Fourth Proportional to 1,485.53, 2,217.32 and 1,310.42

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Solution

The fourth proportional to 1,485.53, 2,217.32 and 1,310.42 is: 1,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.53 : 2,217.32 = 1,310.42 : x
  2. Step 2: Convert to fraction form
    1,485.53/2,217.32 = 1,310.42/x
  3. Step 3: Cross multiply
    1,485.53x = 2,217.32 × 1,310.42
  4. Step 4: Simplify right side
    1,485.53x = 2,905,602.84
  5. Step 5: Solve for x
    x = 2,905,602.84/1,485.53
  6. Step 6: Final answer
    x = 1,955.94

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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.