Home / 2,719.84-3,749.60-1,834.24

Finding the Fourth Proportional to 2,719.84, 3,749.60 and 1,834.24

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Solution

The fourth proportional to 2,719.84, 3,749.60 and 1,834.24 is: 2,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.84 : 3,749.60 = 1,834.24 : x
  2. Step 2: Convert to fraction form
    2,719.84/3,749.60 = 1,834.24/x
  3. Step 3: Cross multiply
    2,719.84x = 3,749.60 × 1,834.24
  4. Step 4: Simplify right side
    2,719.84x = 6,877,666.30
  5. Step 5: Solve for x
    x = 6,877,666.30/2,719.84
  6. Step 6: Final answer
    x = 2,528.70

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1.5x scale

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.