Home / 1,476.08-2,213.36-654.60

Finding the Fourth Proportional to 1,476.08, 2,213.36 and 654.60

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Solution

The fourth proportional to 1,476.08, 2,213.36 and 654.60 is: 981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.08 : 2,213.36 = 654.60 : x
  2. Step 2: Convert to fraction form
    1,476.08/2,213.36 = 654.60/x
  3. Step 3: Cross multiply
    1,476.08x = 2,213.36 × 654.60
  4. Step 4: Simplify right side
    1,476.08x = 1,448,862.18
  5. Step 5: Solve for x
    x = 1,448,862.18/1,476.08
  6. Step 6: Final answer
    x = 981.56

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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.