Home / 1,156.52-1,736.30-1,151.32

Finding the Fourth Proportional to 1,156.52, 1,736.30 and 1,151.32

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Solution

The fourth proportional to 1,156.52, 1,736.30 and 1,151.32 is: 1,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.52 : 1,736.30 = 1,151.32 : x
  2. Step 2: Convert to fraction form
    1,156.52/1,736.30 = 1,151.32/x
  3. Step 3: Cross multiply
    1,156.52x = 1,736.30 × 1,151.32
  4. Step 4: Simplify right side
    1,156.52x = 1,999,036.92
  5. Step 5: Solve for x
    x = 1,999,036.92/1,156.52
  6. Step 6: Final answer
    x = 1,728.49

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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.