Home / 3,154.04-4,352.50-1,975.76

Finding the Fourth Proportional to 3,154.04, 4,352.50 and 1,975.76

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Solution

The fourth proportional to 3,154.04, 4,352.50 and 1,975.76 is: 2,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.04 : 4,352.50 = 1,975.76 : x
  2. Step 2: Convert to fraction form
    3,154.04/4,352.50 = 1,975.76/x
  3. Step 3: Cross multiply
    3,154.04x = 4,352.50 × 1,975.76
  4. Step 4: Simplify right side
    3,154.04x = 8,599,495.40
  5. Step 5: Solve for x
    x = 8,599,495.40/3,154.04
  6. Step 6: Final answer
    x = 2,726.50

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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.