Home / 2,901.39-4,003.95-1,575.12

Finding the Fourth Proportional to 2,901.39, 4,003.95 and 1,575.12

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Solution

The fourth proportional to 2,901.39, 4,003.95 and 1,575.12 is: 2,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.39 : 4,003.95 = 1,575.12 : x
  2. Step 2: Convert to fraction form
    2,901.39/4,003.95 = 1,575.12/x
  3. Step 3: Cross multiply
    2,901.39x = 4,003.95 × 1,575.12
  4. Step 4: Simplify right side
    2,901.39x = 6,306,701.72
  5. Step 5: Solve for x
    x = 6,306,701.72/2,901.39
  6. Step 6: Final answer
    x = 2,173.68

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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.