Home / 1,652.40-2,478.96-1,419.84

Finding the Fourth Proportional to 1,652.40, 2,478.96 and 1,419.84

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Solution

The fourth proportional to 1,652.40, 2,478.96 and 1,419.84 is: 2,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.40 : 2,478.96 = 1,419.84 : x
  2. Step 2: Convert to fraction form
    1,652.40/2,478.96 = 1,419.84/x
  3. Step 3: Cross multiply
    1,652.40x = 2,478.96 × 1,419.84
  4. Step 4: Simplify right side
    1,652.40x = 3,519,726.57
  5. Step 5: Solve for x
    x = 3,519,726.57/1,652.40
  6. Step 6: Final answer
    x = 2,130.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.