Home / 2,153.28-2,970-1,711.04

Finding the Fourth Proportional to 2,153.28, 2,970 and 1,711.04

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Solution

The fourth proportional to 2,153.28, 2,970 and 1,711.04 is: 2,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.28 : 2,970 = 1,711.04 : x
  2. Step 2: Convert to fraction form
    2,153.28/2,970 = 1,711.04/x
  3. Step 3: Cross multiply
    2,153.28x = 2,970 × 1,711.04
  4. Step 4: Simplify right side
    2,153.28x = 5,081,788.80
  5. Step 5: Solve for x
    x = 5,081,788.80/2,153.28
  6. Step 6: Final answer
    x = 2,360.02

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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.