Home / 1,750.98-2,416.86-1,399.35

Finding the Fourth Proportional to 1,750.98, 2,416.86 and 1,399.35

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Solution

The fourth proportional to 1,750.98, 2,416.86 and 1,399.35 is: 1,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.98 : 2,416.86 = 1,399.35 : x
  2. Step 2: Convert to fraction form
    1,750.98/2,416.86 = 1,399.35/x
  3. Step 3: Cross multiply
    1,750.98x = 2,416.86 × 1,399.35
  4. Step 4: Simplify right side
    1,750.98x = 3,382,033.04
  5. Step 5: Solve for x
    x = 3,382,033.04/1,750.98
  6. Step 6: Final answer
    x = 1,931.51

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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.