Home / 2,427.58-3,349.76-1,365.40

Finding the Fourth Proportional to 2,427.58, 3,349.76 and 1,365.40

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Solution

The fourth proportional to 2,427.58, 3,349.76 and 1,365.40 is: 1,884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.58 : 3,349.76 = 1,365.40 : x
  2. Step 2: Convert to fraction form
    2,427.58/3,349.76 = 1,365.40/x
  3. Step 3: Cross multiply
    2,427.58x = 3,349.76 × 1,365.40
  4. Step 4: Simplify right side
    2,427.58x = 4,573,762.30
  5. Step 5: Solve for x
    x = 4,573,762.30/2,427.58
  6. Step 6: Final answer
    x = 1,884.08

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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.