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Finding the Fourth Proportional to 1,888.07, 2,832.24 and 655.46

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Solution

The fourth proportional to 1,888.07, 2,832.24 and 655.46 is: 983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.07 : 2,832.24 = 655.46 : x
  2. Step 2: Convert to fraction form
    1,888.07/2,832.24 = 655.46/x
  3. Step 3: Cross multiply
    1,888.07x = 2,832.24 × 655.46
  4. Step 4: Simplify right side
    1,888.07x = 1,856,420.03
  5. Step 5: Solve for x
    x = 1,856,420.03/1,888.07
  6. Step 6: Final answer
    x = 983.24

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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.