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Finding the Fourth Proportional to 2,562.80, 3,590.35 and 2,562.80

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Solution

The fourth proportional to 2,562.80, 3,590.35 and 2,562.80 is: 3,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,562.80 : 3,590.35 = 2,562.80 : x
  2. Step 2: Convert to fraction form
    2,562.80/3,590.35 = 2,562.80/x
  3. Step 3: Cross multiply
    2,562.80x = 3,590.35 × 2,562.80
  4. Step 4: Simplify right side
    2,562.80x = 9,201,348.98
  5. Step 5: Solve for x
    x = 9,201,348.98/2,562.80
  6. Step 6: Final answer
    x = 3,590.35

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.