Home / 1,485.30-2,050.14-1,043.32

Finding the Fourth Proportional to 1,485.30, 2,050.14 and 1,043.32

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Solution

The fourth proportional to 1,485.30, 2,050.14 and 1,043.32 is: 1,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.30 : 2,050.14 = 1,043.32 : x
  2. Step 2: Convert to fraction form
    1,485.30/2,050.14 = 1,043.32/x
  3. Step 3: Cross multiply
    1,485.30x = 2,050.14 × 1,043.32
  4. Step 4: Simplify right side
    1,485.30x = 2,138,952.06
  5. Step 5: Solve for x
    x = 2,138,952.06/1,485.30
  6. Step 6: Final answer
    x = 1,440.08

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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.