Home / 2,518.04-3,762.58-1,921.76

Finding the Fourth Proportional to 2,518.04, 3,762.58 and 1,921.76

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Solution

The fourth proportional to 2,518.04, 3,762.58 and 1,921.76 is: 2,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.04 : 3,762.58 = 1,921.76 : x
  2. Step 2: Convert to fraction form
    2,518.04/3,762.58 = 1,921.76/x
  3. Step 3: Cross multiply
    2,518.04x = 3,762.58 × 1,921.76
  4. Step 4: Simplify right side
    2,518.04x = 7,230,775.74
  5. Step 5: Solve for x
    x = 7,230,775.74/2,518.04
  6. Step 6: Final answer
    x = 2,871.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.