Home / 1,501.35-2,253.06-885.43

Finding the Fourth Proportional to 1,501.35, 2,253.06 and 885.43

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Solution

The fourth proportional to 1,501.35, 2,253.06 and 885.43 is: 1,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.35 : 2,253.06 = 885.43 : x
  2. Step 2: Convert to fraction form
    1,501.35/2,253.06 = 885.43/x
  3. Step 3: Cross multiply
    1,501.35x = 2,253.06 × 885.43
  4. Step 4: Simplify right side
    1,501.35x = 1,994,926.92
  5. Step 5: Solve for x
    x = 1,994,926.92/1,501.35
  6. Step 6: Final answer
    x = 1,328.76

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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.