Home / 1,605.42-2,403.54-1,503.36

Finding the Fourth Proportional to 1,605.42, 2,403.54 and 1,503.36

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Solution

The fourth proportional to 1,605.42, 2,403.54 and 1,503.36 is: 2,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.42 : 2,403.54 = 1,503.36 : x
  2. Step 2: Convert to fraction form
    1,605.42/2,403.54 = 1,503.36/x
  3. Step 3: Cross multiply
    1,605.42x = 2,403.54 × 1,503.36
  4. Step 4: Simplify right side
    1,605.42x = 3,613,385.89
  5. Step 5: Solve for x
    x = 3,613,385.89/1,605.42
  6. Step 6: Final answer
    x = 2,250.74

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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.