Home / 1,924.76-2,656.32-1,139.24

Finding the Fourth Proportional to 1,924.76, 2,656.32 and 1,139.24

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Solution

The fourth proportional to 1,924.76, 2,656.32 and 1,139.24 is: 1,572.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.76 : 2,656.32 = 1,139.24 : x
  2. Step 2: Convert to fraction form
    1,924.76/2,656.32 = 1,139.24/x
  3. Step 3: Cross multiply
    1,924.76x = 2,656.32 × 1,139.24
  4. Step 4: Simplify right side
    1,924.76x = 3,026,186.00
  5. Step 5: Solve for x
    x = 3,026,186.00/1,924.76
  6. Step 6: Final answer
    x = 1,572.24

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Half scale
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Double scale
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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.