Home / 3,688.56-5,532.18-1,607.40

Finding the Fourth Proportional to 3,688.56, 5,532.18 and 1,607.40

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Solution

The fourth proportional to 3,688.56, 5,532.18 and 1,607.40 is: 2,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.56 : 5,532.18 = 1,607.40 : x
  2. Step 2: Convert to fraction form
    3,688.56/5,532.18 = 1,607.40/x
  3. Step 3: Cross multiply
    3,688.56x = 5,532.18 × 1,607.40
  4. Step 4: Simplify right side
    3,688.56x = 8,892,426.13
  5. Step 5: Solve for x
    x = 8,892,426.13/3,688.56
  6. Step 6: Final answer
    x = 2,410.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.