Home / 1,898.13-2,619.24-1,058.57

Finding the Fourth Proportional to 1,898.13, 2,619.24 and 1,058.57

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Solution

The fourth proportional to 1,898.13, 2,619.24 and 1,058.57 is: 1,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.13 : 2,619.24 = 1,058.57 : x
  2. Step 2: Convert to fraction form
    1,898.13/2,619.24 = 1,058.57/x
  3. Step 3: Cross multiply
    1,898.13x = 2,619.24 × 1,058.57
  4. Step 4: Simplify right side
    1,898.13x = 2,772,641.64
  5. Step 5: Solve for x
    x = 2,772,641.64/1,898.13
  6. Step 6: Final answer
    x = 1,460.72

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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.