Home / 2,715.08-3,746.87-1,520.01

Finding the Fourth Proportional to 2,715.08, 3,746.87 and 1,520.01

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Solution

The fourth proportional to 2,715.08, 3,746.87 and 1,520.01 is: 2,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.08 : 3,746.87 = 1,520.01 : x
  2. Step 2: Convert to fraction form
    2,715.08/3,746.87 = 1,520.01/x
  3. Step 3: Cross multiply
    2,715.08x = 3,746.87 × 1,520.01
  4. Step 4: Simplify right side
    2,715.08x = 5,695,272.27
  5. Step 5: Solve for x
    x = 5,695,272.27/2,715.08
  6. Step 6: Final answer
    x = 2,097.65

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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.