Home / 1,052.31-1,579.17-436.01

Finding the Fourth Proportional to 1,052.31, 1,579.17 and 436.01

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Solution

The fourth proportional to 1,052.31, 1,579.17 and 436.01 is: 654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.31 : 1,579.17 = 436.01 : x
  2. Step 2: Convert to fraction form
    1,052.31/1,579.17 = 436.01/x
  3. Step 3: Cross multiply
    1,052.31x = 1,579.17 × 436.01
  4. Step 4: Simplify right side
    1,052.31x = 688,526.02
  5. Step 5: Solve for x
    x = 688,526.02/1,052.31
  6. Step 6: Final answer
    x = 654.30

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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.