Home / 1,870.22-2,581.13-1,084.30

Finding the Fourth Proportional to 1,870.22, 2,581.13 and 1,084.30

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Solution

The fourth proportional to 1,870.22, 2,581.13 and 1,084.30 is: 1,496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.22 : 2,581.13 = 1,084.30 : x
  2. Step 2: Convert to fraction form
    1,870.22/2,581.13 = 1,084.30/x
  3. Step 3: Cross multiply
    1,870.22x = 2,581.13 × 1,084.30
  4. Step 4: Simplify right side
    1,870.22x = 2,798,719.26
  5. Step 5: Solve for x
    x = 2,798,719.26/1,870.22
  6. Step 6: Final answer
    x = 1,496.47

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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.