Home / 3,001.79-4,503.51-921.85

Finding the Fourth Proportional to 3,001.79, 4,503.51 and 921.85

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Solution

The fourth proportional to 3,001.79, 4,503.51 and 921.85 is: 1,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.79 : 4,503.51 = 921.85 : x
  2. Step 2: Convert to fraction form
    3,001.79/4,503.51 = 921.85/x
  3. Step 3: Cross multiply
    3,001.79x = 4,503.51 × 921.85
  4. Step 4: Simplify right side
    3,001.79x = 4,151,549.43
  5. Step 5: Solve for x
    x = 4,151,549.43/3,001.79
  6. Step 6: Final answer
    x = 1,383.02

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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.