Home / 1,953.08-2,929.64-1,130.85

Finding the Fourth Proportional to 1,953.08, 2,929.64 and 1,130.85

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Solution

The fourth proportional to 1,953.08, 2,929.64 and 1,130.85 is: 1,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.08 : 2,929.64 = 1,130.85 : x
  2. Step 2: Convert to fraction form
    1,953.08/2,929.64 = 1,130.85/x
  3. Step 3: Cross multiply
    1,953.08x = 2,929.64 × 1,130.85
  4. Step 4: Simplify right side
    1,953.08x = 3,312,983.39
  5. Step 5: Solve for x
    x = 3,312,983.39/1,953.08
  6. Step 6: Final answer
    x = 1,696.29

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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.