Home / 2,931.85-4,043.28-1,752.22

Finding the Fourth Proportional to 2,931.85, 4,043.28 and 1,752.22

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Solution

The fourth proportional to 2,931.85, 4,043.28 and 1,752.22 is: 2,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.85 : 4,043.28 = 1,752.22 : x
  2. Step 2: Convert to fraction form
    2,931.85/4,043.28 = 1,752.22/x
  3. Step 3: Cross multiply
    2,931.85x = 4,043.28 × 1,752.22
  4. Step 4: Simplify right side
    2,931.85x = 7,084,716.08
  5. Step 5: Solve for x
    x = 7,084,716.08/2,931.85
  6. Step 6: Final answer
    x = 2,416.47

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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.