Home / 1,869.57-2,581.38-1,498.59

Finding the Fourth Proportional to 1,869.57, 2,581.38 and 1,498.59

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Solution

The fourth proportional to 1,869.57, 2,581.38 and 1,498.59 is: 2,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.57 : 2,581.38 = 1,498.59 : x
  2. Step 2: Convert to fraction form
    1,869.57/2,581.38 = 1,498.59/x
  3. Step 3: Cross multiply
    1,869.57x = 2,581.38 × 1,498.59
  4. Step 4: Simplify right side
    1,869.57x = 3,868,430.25
  5. Step 5: Solve for x
    x = 3,868,430.25/1,869.57
  6. Step 6: Final answer
    x = 2,069.16

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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.