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Finding the Fourth Proportional to 1,695.01, 2,339.07 and 948.92

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Solution

The fourth proportional to 1,695.01, 2,339.07 and 948.92 is: 1,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.01 : 2,339.07 = 948.92 : x
  2. Step 2: Convert to fraction form
    1,695.01/2,339.07 = 948.92/x
  3. Step 3: Cross multiply
    1,695.01x = 2,339.07 × 948.92
  4. Step 4: Simplify right side
    1,695.01x = 2,219,590.30
  5. Step 5: Solve for x
    x = 2,219,590.30/1,695.01
  6. Step 6: Final answer
    x = 1,309.49

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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.