Home / 2,988.72-4,484.33-1,601.70

Finding the Fourth Proportional to 2,988.72, 4,484.33 and 1,601.70

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Solution

The fourth proportional to 2,988.72, 4,484.33 and 1,601.70 is: 2,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.72 : 4,484.33 = 1,601.70 : x
  2. Step 2: Convert to fraction form
    2,988.72/4,484.33 = 1,601.70/x
  3. Step 3: Cross multiply
    2,988.72x = 4,484.33 × 1,601.70
  4. Step 4: Simplify right side
    2,988.72x = 7,182,560.57
  5. Step 5: Solve for x
    x = 7,182,560.57/2,988.72
  6. Step 6: Final answer
    x = 2,403.22

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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.