Home / 1,052.61-1,579.22-436.35

Finding the Fourth Proportional to 1,052.61, 1,579.22 and 436.35

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Solution

The fourth proportional to 1,052.61, 1,579.22 and 436.35 is: 654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.61 : 1,579.22 = 436.35 : x
  2. Step 2: Convert to fraction form
    1,052.61/1,579.22 = 436.35/x
  3. Step 3: Cross multiply
    1,052.61x = 1,579.22 × 436.35
  4. Step 4: Simplify right side
    1,052.61x = 689,090.47
  5. Step 5: Solve for x
    x = 689,090.47/1,052.61
  6. Step 6: Final answer
    x = 654.65

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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.