Home / 1,953.06-2,695.26-1,068.90

Finding the Fourth Proportional to 1,953.06, 2,695.26 and 1,068.90

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Solution

The fourth proportional to 1,953.06, 2,695.26 and 1,068.90 is: 1,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.06 : 2,695.26 = 1,068.90 : x
  2. Step 2: Convert to fraction form
    1,953.06/2,695.26 = 1,068.90/x
  3. Step 3: Cross multiply
    1,953.06x = 2,695.26 × 1,068.90
  4. Step 4: Simplify right side
    1,953.06x = 2,880,963.41
  5. Step 5: Solve for x
    x = 2,880,963.41/1,953.06
  6. Step 6: Final answer
    x = 1,475.10

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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.