Home / 1,719.12-2,372.04-1,056.08

Finding the Fourth Proportional to 1,719.12, 2,372.04 and 1,056.08

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Solution

The fourth proportional to 1,719.12, 2,372.04 and 1,056.08 is: 1,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.12 : 2,372.04 = 1,056.08 : x
  2. Step 2: Convert to fraction form
    1,719.12/2,372.04 = 1,056.08/x
  3. Step 3: Cross multiply
    1,719.12x = 2,372.04 × 1,056.08
  4. Step 4: Simplify right side
    1,719.12x = 2,505,064.00
  5. Step 5: Solve for x
    x = 2,505,064.00/1,719.12
  6. Step 6: Final answer
    x = 1,457.18

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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.