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Finding the Fourth Proportional to 2,645.34, 3,652.74 and 1,652.28

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Solution

The fourth proportional to 2,645.34, 3,652.74 and 1,652.28 is: 2,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.34 : 3,652.74 = 1,652.28 : x
  2. Step 2: Convert to fraction form
    2,645.34/3,652.74 = 1,652.28/x
  3. Step 3: Cross multiply
    2,645.34x = 3,652.74 × 1,652.28
  4. Step 4: Simplify right side
    2,645.34x = 6,035,349.25
  5. Step 5: Solve for x
    x = 6,035,349.25/2,645.34
  6. Step 6: Final answer
    x = 2,281.50

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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.