Home / 1,562.09-2,343.53-740.15

Finding the Fourth Proportional to 1,562.09, 2,343.53 and 740.15

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Solution

The fourth proportional to 1,562.09, 2,343.53 and 740.15 is: 1,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.09 : 2,343.53 = 740.15 : x
  2. Step 2: Convert to fraction form
    1,562.09/2,343.53 = 740.15/x
  3. Step 3: Cross multiply
    1,562.09x = 2,343.53 × 740.15
  4. Step 4: Simplify right side
    1,562.09x = 1,734,548.31
  5. Step 5: Solve for x
    x = 1,734,548.31/1,562.09
  6. Step 6: Final answer
    x = 1,110.41

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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.