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Finding the Fourth Proportional to 2,602.16, 3,589.74 and 1,607.08

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Solution

The fourth proportional to 2,602.16, 3,589.74 and 1,607.08 is: 2,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.16 : 3,589.74 = 1,607.08 : x
  2. Step 2: Convert to fraction form
    2,602.16/3,589.74 = 1,607.08/x
  3. Step 3: Cross multiply
    2,602.16x = 3,589.74 × 1,607.08
  4. Step 4: Simplify right side
    2,602.16x = 5,768,999.36
  5. Step 5: Solve for x
    x = 5,768,999.36/2,602.16
  6. Step 6: Final answer
    x = 2,217.00

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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.