Home / 2,885.96-4,328.70-1,154.68

Finding the Fourth Proportional to 2,885.96, 4,328.70 and 1,154.68

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Solution

The fourth proportional to 2,885.96, 4,328.70 and 1,154.68 is: 1,731.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.96 : 4,328.70 = 1,154.68 : x
  2. Step 2: Convert to fraction form
    2,885.96/4,328.70 = 1,154.68/x
  3. Step 3: Cross multiply
    2,885.96x = 4,328.70 × 1,154.68
  4. Step 4: Simplify right side
    2,885.96x = 4,998,263.32
  5. Step 5: Solve for x
    x = 4,998,263.32/2,885.96
  6. Step 6: Final answer
    x = 1,731.92

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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.