Home / 2,430.76-3,354.44-1,326.76

Finding the Fourth Proportional to 2,430.76, 3,354.44 and 1,326.76

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Solution

The fourth proportional to 2,430.76, 3,354.44 and 1,326.76 is: 1,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.76 : 3,354.44 = 1,326.76 : x
  2. Step 2: Convert to fraction form
    2,430.76/3,354.44 = 1,326.76/x
  3. Step 3: Cross multiply
    2,430.76x = 3,354.44 × 1,326.76
  4. Step 4: Simplify right side
    2,430.76x = 4,450,536.81
  5. Step 5: Solve for x
    x = 4,450,536.81/2,430.76
  6. Step 6: Final answer
    x = 1,830.92

Related Problems

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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.