Home / 1,953.08-2,695.12-1,068.86

Finding the Fourth Proportional to 1,953.08, 2,695.12 and 1,068.86

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Solution

The fourth proportional to 1,953.08, 2,695.12 and 1,068.86 is: 1,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.08 : 2,695.12 = 1,068.86 : x
  2. Step 2: Convert to fraction form
    1,953.08/2,695.12 = 1,068.86/x
  3. Step 3: Cross multiply
    1,953.08x = 2,695.12 × 1,068.86
  4. Step 4: Simplify right side
    1,953.08x = 2,880,705.96
  5. Step 5: Solve for x
    x = 2,880,705.96/1,953.08
  6. Step 6: Final answer
    x = 1,474.96

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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.