Home / 2,371.04-3,555.96-909.76

Finding the Fourth Proportional to 2,371.04, 3,555.96 and 909.76

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Solution

The fourth proportional to 2,371.04, 3,555.96 and 909.76 is: 1,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.04 : 3,555.96 = 909.76 : x
  2. Step 2: Convert to fraction form
    2,371.04/3,555.96 = 909.76/x
  3. Step 3: Cross multiply
    2,371.04x = 3,555.96 × 909.76
  4. Step 4: Simplify right side
    2,371.04x = 3,235,070.17
  5. Step 5: Solve for x
    x = 3,235,070.17/2,371.04
  6. Step 6: Final answer
    x = 1,364.41

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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.