Home / 2,425.23-3,346.43-1,430.37

Finding the Fourth Proportional to 2,425.23, 3,346.43 and 1,430.37

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Solution

The fourth proportional to 2,425.23, 3,346.43 and 1,430.37 is: 1,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.23 : 3,346.43 = 1,430.37 : x
  2. Step 2: Convert to fraction form
    2,425.23/3,346.43 = 1,430.37/x
  3. Step 3: Cross multiply
    2,425.23x = 3,346.43 × 1,430.37
  4. Step 4: Simplify right side
    2,425.23x = 4,786,625.93
  5. Step 5: Solve for x
    x = 4,786,625.93/2,425.23
  6. Step 6: Final answer
    x = 1,973.68

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Half scale
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Double scale
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1.5x scale

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.