Home / 2,901.24-4,000.50-2,156.58

Finding the Fourth Proportional to 2,901.24, 4,000.50 and 2,156.58

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Solution

The fourth proportional to 2,901.24, 4,000.50 and 2,156.58 is: 2,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.24 : 4,000.50 = 2,156.58 : x
  2. Step 2: Convert to fraction form
    2,901.24/4,000.50 = 2,156.58/x
  3. Step 3: Cross multiply
    2,901.24x = 4,000.50 × 2,156.58
  4. Step 4: Simplify right side
    2,901.24x = 8,627,398.29
  5. Step 5: Solve for x
    x = 8,627,398.29/2,901.24
  6. Step 6: Final answer
    x = 2,973.69

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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.