Home / 3,089.34-4,631.22-1,140.18

Finding the Fourth Proportional to 3,089.34, 4,631.22 and 1,140.18

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Solution

The fourth proportional to 3,089.34, 4,631.22 and 1,140.18 is: 1,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.34 : 4,631.22 = 1,140.18 : x
  2. Step 2: Convert to fraction form
    3,089.34/4,631.22 = 1,140.18/x
  3. Step 3: Cross multiply
    3,089.34x = 4,631.22 × 1,140.18
  4. Step 4: Simplify right side
    3,089.34x = 5,280,424.42
  5. Step 5: Solve for x
    x = 5,280,424.42/3,089.34
  6. Step 6: Final answer
    x = 1,709.24

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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.