Home / 1,509.52-2,081.28-1,194.16

Finding the Fourth Proportional to 1,509.52, 2,081.28 and 1,194.16

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Solution

The fourth proportional to 1,509.52, 2,081.28 and 1,194.16 is: 1,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.52 : 2,081.28 = 1,194.16 : x
  2. Step 2: Convert to fraction form
    1,509.52/2,081.28 = 1,194.16/x
  3. Step 3: Cross multiply
    1,509.52x = 2,081.28 × 1,194.16
  4. Step 4: Simplify right side
    1,509.52x = 2,485,381.32
  5. Step 5: Solve for x
    x = 2,485,381.32/1,509.52
  6. Step 6: Final answer
    x = 1,646.47

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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.