Home / 2,571.60-3,547.68-1,626.96

Finding the Fourth Proportional to 2,571.60, 3,547.68 and 1,626.96

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Solution

The fourth proportional to 2,571.60, 3,547.68 and 1,626.96 is: 2,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.60 : 3,547.68 = 1,626.96 : x
  2. Step 2: Convert to fraction form
    2,571.60/3,547.68 = 1,626.96/x
  3. Step 3: Cross multiply
    2,571.60x = 3,547.68 × 1,626.96
  4. Step 4: Simplify right side
    2,571.60x = 5,771,933.45
  5. Step 5: Solve for x
    x = 5,771,933.45/2,571.60
  6. Step 6: Final answer
    x = 2,244.49

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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.