Home / 2,922.36-4,032.16-1,874.76

Finding the Fourth Proportional to 2,922.36, 4,032.16 and 1,874.76

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Solution

The fourth proportional to 2,922.36, 4,032.16 and 1,874.76 is: 2,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.36 : 4,032.16 = 1,874.76 : x
  2. Step 2: Convert to fraction form
    2,922.36/4,032.16 = 1,874.76/x
  3. Step 3: Cross multiply
    2,922.36x = 4,032.16 × 1,874.76
  4. Step 4: Simplify right side
    2,922.36x = 7,559,332.28
  5. Step 5: Solve for x
    x = 7,559,332.28/2,922.36
  6. Step 6: Final answer
    x = 2,586.72

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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.