Home / 1,981.56-2,972.35-595.05

Finding the Fourth Proportional to 1,981.56, 2,972.35 and 595.05

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Solution

The fourth proportional to 1,981.56, 2,972.35 and 595.05 is: 892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.56 : 2,972.35 = 595.05 : x
  2. Step 2: Convert to fraction form
    1,981.56/2,972.35 = 595.05/x
  3. Step 3: Cross multiply
    1,981.56x = 2,972.35 × 595.05
  4. Step 4: Simplify right side
    1,981.56x = 1,768,683.12
  5. Step 5: Solve for x
    x = 1,768,683.12/1,981.56
  6. Step 6: Final answer
    x = 892.57

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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.