Home / 1,736.45-2,398.91-1,140.35

Finding the Fourth Proportional to 1,736.45, 2,398.91 and 1,140.35

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Solution

The fourth proportional to 1,736.45, 2,398.91 and 1,140.35 is: 1,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.45 : 2,398.91 = 1,140.35 : x
  2. Step 2: Convert to fraction form
    1,736.45/2,398.91 = 1,140.35/x
  3. Step 3: Cross multiply
    1,736.45x = 2,398.91 × 1,140.35
  4. Step 4: Simplify right side
    1,736.45x = 2,735,591.32
  5. Step 5: Solve for x
    x = 2,735,591.32/1,736.45
  6. Step 6: Final answer
    x = 1,575.39

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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.