Home / 2,491.66-3,439.51-1,706.16

Finding the Fourth Proportional to 2,491.66, 3,439.51 and 1,706.16

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Solution

The fourth proportional to 2,491.66, 3,439.51 and 1,706.16 is: 2,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.66 : 3,439.51 = 1,706.16 : x
  2. Step 2: Convert to fraction form
    2,491.66/3,439.51 = 1,706.16/x
  3. Step 3: Cross multiply
    2,491.66x = 3,439.51 × 1,706.16
  4. Step 4: Simplify right side
    2,491.66x = 5,868,372.61
  5. Step 5: Solve for x
    x = 5,868,372.61/2,491.66
  6. Step 6: Final answer
    x = 2,355.20

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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.