Home / 1,870.19-2,581.94-1,241.57

Finding the Fourth Proportional to 1,870.19, 2,581.94 and 1,241.57

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Solution

The fourth proportional to 1,870.19, 2,581.94 and 1,241.57 is: 1,714.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.19 : 2,581.94 = 1,241.57 : x
  2. Step 2: Convert to fraction form
    1,870.19/2,581.94 = 1,241.57/x
  3. Step 3: Cross multiply
    1,870.19x = 2,581.94 × 1,241.57
  4. Step 4: Simplify right side
    1,870.19x = 3,205,640.13
  5. Step 5: Solve for x
    x = 3,205,640.13/1,870.19
  6. Step 6: Final answer
    x = 1,714.08

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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.