Home / 2,411.80-3,328.38-1,417.12

Finding the Fourth Proportional to 2,411.80, 3,328.38 and 1,417.12

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Solution

The fourth proportional to 2,411.80, 3,328.38 and 1,417.12 is: 1,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.80 : 3,328.38 = 1,417.12 : x
  2. Step 2: Convert to fraction form
    2,411.80/3,328.38 = 1,417.12/x
  3. Step 3: Cross multiply
    2,411.80x = 3,328.38 × 1,417.12
  4. Step 4: Simplify right side
    2,411.80x = 4,716,713.87
  5. Step 5: Solve for x
    x = 4,716,713.87/2,411.80
  6. Step 6: Final answer
    x = 1,955.68

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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.