Home / 1,702.08-2,348.80-945.83

Finding the Fourth Proportional to 1,702.08, 2,348.80 and 945.83

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Solution

The fourth proportional to 1,702.08, 2,348.80 and 945.83 is: 1,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.08 : 2,348.80 = 945.83 : x
  2. Step 2: Convert to fraction form
    1,702.08/2,348.80 = 945.83/x
  3. Step 3: Cross multiply
    1,702.08x = 2,348.80 × 945.83
  4. Step 4: Simplify right side
    1,702.08x = 2,221,565.50
  5. Step 5: Solve for x
    x = 2,221,565.50/1,702.08
  6. Step 6: Final answer
    x = 1,305.21

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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.