Home / 3,154.76-4,353.36-1,895.07

Finding the Fourth Proportional to 3,154.76, 4,353.36 and 1,895.07

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Solution

The fourth proportional to 3,154.76, 4,353.36 and 1,895.07 is: 2,615.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.76 : 4,353.36 = 1,895.07 : x
  2. Step 2: Convert to fraction form
    3,154.76/4,353.36 = 1,895.07/x
  3. Step 3: Cross multiply
    3,154.76x = 4,353.36 × 1,895.07
  4. Step 4: Simplify right side
    3,154.76x = 8,249,898.50
  5. Step 5: Solve for x
    x = 8,249,898.50/3,154.76
  6. Step 6: Final answer
    x = 2,615.07

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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.