Home / 2,752.84-4,130.34-1,021.60

Finding the Fourth Proportional to 2,752.84, 4,130.34 and 1,021.60

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Solution

The fourth proportional to 2,752.84, 4,130.34 and 1,021.60 is: 1,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.84 : 4,130.34 = 1,021.60 : x
  2. Step 2: Convert to fraction form
    2,752.84/4,130.34 = 1,021.60/x
  3. Step 3: Cross multiply
    2,752.84x = 4,130.34 × 1,021.60
  4. Step 4: Simplify right side
    2,752.84x = 4,219,555.34
  5. Step 5: Solve for x
    x = 4,219,555.34/2,752.84
  6. Step 6: Final answer
    x = 1,532.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.