Home / 1,437.34-2,157.63-572.26

Finding the Fourth Proportional to 1,437.34, 2,157.63 and 572.26

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Solution

The fourth proportional to 1,437.34, 2,157.63 and 572.26 is: 859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.34 : 2,157.63 = 572.26 : x
  2. Step 2: Convert to fraction form
    1,437.34/2,157.63 = 572.26/x
  3. Step 3: Cross multiply
    1,437.34x = 2,157.63 × 572.26
  4. Step 4: Simplify right side
    1,437.34x = 1,234,725.34
  5. Step 5: Solve for x
    x = 1,234,725.34/1,437.34
  6. Step 6: Final answer
    x = 859.03

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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.