Home / 2,357.71-3,253.09-1,518.70

Finding the Fourth Proportional to 2,357.71, 3,253.09 and 1,518.70

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Solution

The fourth proportional to 2,357.71, 3,253.09 and 1,518.70 is: 2,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.71 : 3,253.09 = 1,518.70 : x
  2. Step 2: Convert to fraction form
    2,357.71/3,253.09 = 1,518.70/x
  3. Step 3: Cross multiply
    2,357.71x = 3,253.09 × 1,518.70
  4. Step 4: Simplify right side
    2,357.71x = 4,940,451.52
  5. Step 5: Solve for x
    x = 4,940,451.52/2,357.71
  6. Step 6: Final answer
    x = 2,095.45

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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.