Home / 2,549.81-3,518.45-1,430.52

Finding the Fourth Proportional to 2,549.81, 3,518.45 and 1,430.52

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Solution

The fourth proportional to 2,549.81, 3,518.45 and 1,430.52 is: 1,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.81 : 3,518.45 = 1,430.52 : x
  2. Step 2: Convert to fraction form
    2,549.81/3,518.45 = 1,430.52/x
  3. Step 3: Cross multiply
    2,549.81x = 3,518.45 × 1,430.52
  4. Step 4: Simplify right side
    2,549.81x = 5,033,213.09
  5. Step 5: Solve for x
    x = 5,033,213.09/2,549.81
  6. Step 6: Final answer
    x = 1,973.96

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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.