Home / 1,504.48-2,075.46-945.64

Finding the Fourth Proportional to 1,504.48, 2,075.46 and 945.64

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Solution

The fourth proportional to 1,504.48, 2,075.46 and 945.64 is: 1,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.48 : 2,075.46 = 945.64 : x
  2. Step 2: Convert to fraction form
    1,504.48/2,075.46 = 945.64/x
  3. Step 3: Cross multiply
    1,504.48x = 2,075.46 × 945.64
  4. Step 4: Simplify right side
    1,504.48x = 1,962,637.99
  5. Step 5: Solve for x
    x = 1,962,637.99/1,504.48
  6. Step 6: Final answer
    x = 1,304.53

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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.