Home / 1,165.32-1,749.54-1,153.08

Finding the Fourth Proportional to 1,165.32, 1,749.54 and 1,153.08

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Solution

The fourth proportional to 1,165.32, 1,749.54 and 1,153.08 is: 1,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.32 : 1,749.54 = 1,153.08 : x
  2. Step 2: Convert to fraction form
    1,165.32/1,749.54 = 1,153.08/x
  3. Step 3: Cross multiply
    1,165.32x = 1,749.54 × 1,153.08
  4. Step 4: Simplify right side
    1,165.32x = 2,017,359.58
  5. Step 5: Solve for x
    x = 2,017,359.58/1,165.32
  6. Step 6: Final answer
    x = 1,731.16

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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.