Home / 1,719.68-2,371.98-1,056.75

Finding the Fourth Proportional to 1,719.68, 2,371.98 and 1,056.75

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Solution

The fourth proportional to 1,719.68, 2,371.98 and 1,056.75 is: 1,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.68 : 2,371.98 = 1,056.75 : x
  2. Step 2: Convert to fraction form
    1,719.68/2,371.98 = 1,056.75/x
  3. Step 3: Cross multiply
    1,719.68x = 2,371.98 × 1,056.75
  4. Step 4: Simplify right side
    1,719.68x = 2,506,584.93
  5. Step 5: Solve for x
    x = 2,506,584.93/1,719.68
  6. Step 6: Final answer
    x = 1,457.59

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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.