Home / 1,747.51-2,621.97-1,719.87

Finding the Fourth Proportional to 1,747.51, 2,621.97 and 1,719.87

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Solution

The fourth proportional to 1,747.51, 2,621.97 and 1,719.87 is: 2,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.51 : 2,621.97 = 1,719.87 : x
  2. Step 2: Convert to fraction form
    1,747.51/2,621.97 = 1,719.87/x
  3. Step 3: Cross multiply
    1,747.51x = 2,621.97 × 1,719.87
  4. Step 4: Simplify right side
    1,747.51x = 4,509,437.71
  5. Step 5: Solve for x
    x = 4,509,437.71/1,747.51
  6. Step 6: Final answer
    x = 2,580.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.