Home / 1,562.02-2,157.36-1,063.80

Finding the Fourth Proportional to 1,562.02, 2,157.36 and 1,063.80

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Solution

The fourth proportional to 1,562.02, 2,157.36 and 1,063.80 is: 1,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.02 : 2,157.36 = 1,063.80 : x
  2. Step 2: Convert to fraction form
    1,562.02/2,157.36 = 1,063.80/x
  3. Step 3: Cross multiply
    1,562.02x = 2,157.36 × 1,063.80
  4. Step 4: Simplify right side
    1,562.02x = 2,294,988.78
  5. Step 5: Solve for x
    x = 2,294,988.78/1,562.02
  6. Step 6: Final answer
    x = 1,469.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.