Home / 1,719.46-2,372.38-1,130.19

Finding the Fourth Proportional to 1,719.46, 2,372.38 and 1,130.19

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Solution

The fourth proportional to 1,719.46, 2,372.38 and 1,130.19 is: 1,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.46 : 2,372.38 = 1,130.19 : x
  2. Step 2: Convert to fraction form
    1,719.46/2,372.38 = 1,130.19/x
  3. Step 3: Cross multiply
    1,719.46x = 2,372.38 × 1,130.19
  4. Step 4: Simplify right side
    1,719.46x = 2,681,240.15
  5. Step 5: Solve for x
    x = 2,681,240.15/1,719.46
  6. Step 6: Final answer
    x = 1,559.35

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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.