Home / 1,158.04-1,738.32-1,153.36

Finding the Fourth Proportional to 1,158.04, 1,738.32 and 1,153.36

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Solution

The fourth proportional to 1,158.04, 1,738.32 and 1,153.36 is: 1,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.04 : 1,738.32 = 1,153.36 : x
  2. Step 2: Convert to fraction form
    1,158.04/1,738.32 = 1,153.36/x
  3. Step 3: Cross multiply
    1,158.04x = 1,738.32 × 1,153.36
  4. Step 4: Simplify right side
    1,158.04x = 2,004,908.76
  5. Step 5: Solve for x
    x = 2,004,908.76/1,158.04
  6. Step 6: Final answer
    x = 1,731.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.