Home / 1,805.24-2,490.37-1,058.75

Finding the Fourth Proportional to 1,805.24, 2,490.37 and 1,058.75

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Solution

The fourth proportional to 1,805.24, 2,490.37 and 1,058.75 is: 1,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.24 : 2,490.37 = 1,058.75 : x
  2. Step 2: Convert to fraction form
    1,805.24/2,490.37 = 1,058.75/x
  3. Step 3: Cross multiply
    1,805.24x = 2,490.37 × 1,058.75
  4. Step 4: Simplify right side
    1,805.24x = 2,636,679.24
  5. Step 5: Solve for x
    x = 2,636,679.24/1,805.24
  6. Step 6: Final answer
    x = 1,460.57

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Half scale
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Double scale
Find fourth proportional to 1,806.24, 2,491.75 and 1,059.75
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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.