Home / 1,504.62-2,075.58-914.76

Finding the Fourth Proportional to 1,504.62, 2,075.58 and 914.76

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Solution

The fourth proportional to 1,504.62, 2,075.58 and 914.76 is: 1,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.62 : 2,075.58 = 914.76 : x
  2. Step 2: Convert to fraction form
    1,504.62/2,075.58 = 914.76/x
  3. Step 3: Cross multiply
    1,504.62x = 2,075.58 × 914.76
  4. Step 4: Simplify right side
    1,504.62x = 1,898,657.56
  5. Step 5: Solve for x
    x = 1,898,657.56/1,504.62
  6. Step 6: Final answer
    x = 1,261.89

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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.