Home / 3,688.78-5,533.47-1,056.30

Finding the Fourth Proportional to 3,688.78, 5,533.47 and 1,056.30

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Solution

The fourth proportional to 3,688.78, 5,533.47 and 1,056.30 is: 1,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.78 : 5,533.47 = 1,056.30 : x
  2. Step 2: Convert to fraction form
    3,688.78/5,533.47 = 1,056.30/x
  3. Step 3: Cross multiply
    3,688.78x = 5,533.47 × 1,056.30
  4. Step 4: Simplify right side
    3,688.78x = 5,845,004.36
  5. Step 5: Solve for x
    x = 5,845,004.36/3,688.78
  6. Step 6: Final answer
    x = 1,584.54

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1.5x scale

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.