Home / 1,504.03-2,075.46-840.87

Finding the Fourth Proportional to 1,504.03, 2,075.46 and 840.87

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Solution

The fourth proportional to 1,504.03, 2,075.46 and 840.87 is: 1,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.03 : 2,075.46 = 840.87 : x
  2. Step 2: Convert to fraction form
    1,504.03/2,075.46 = 840.87/x
  3. Step 3: Cross multiply
    1,504.03x = 2,075.46 × 840.87
  4. Step 4: Simplify right side
    1,504.03x = 1,745,192.05
  5. Step 5: Solve for x
    x = 1,745,192.05/1,504.03
  6. Step 6: Final answer
    x = 1,160.34

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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.