Home / 1,719.24-2,389.05-1,701.48

Finding the Fourth Proportional to 1,719.24, 2,389.05 and 1,701.48

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Solution

The fourth proportional to 1,719.24, 2,389.05 and 1,701.48 is: 2,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.24 : 2,389.05 = 1,701.48 : x
  2. Step 2: Convert to fraction form
    1,719.24/2,389.05 = 1,701.48/x
  3. Step 3: Cross multiply
    1,719.24x = 2,389.05 × 1,701.48
  4. Step 4: Simplify right side
    1,719.24x = 4,064,920.79
  5. Step 5: Solve for x
    x = 4,064,920.79/1,719.24
  6. Step 6: Final answer
    x = 2,364.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.