Home / 1,023.45-1,535.37-374.16

Finding the Fourth Proportional to 1,023.45, 1,535.37 and 374.16

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Solution

The fourth proportional to 1,023.45, 1,535.37 and 374.16 is: 561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.45 : 1,535.37 = 374.16 : x
  2. Step 2: Convert to fraction form
    1,023.45/1,535.37 = 374.16/x
  3. Step 3: Cross multiply
    1,023.45x = 1,535.37 × 374.16
  4. Step 4: Simplify right side
    1,023.45x = 574,474.04
  5. Step 5: Solve for x
    x = 574,474.04/1,023.45
  6. Step 6: Final answer
    x = 561.31

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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.