Home / 2,774.16-4,161.08-1,558.16

Finding the Fourth Proportional to 2,774.16, 4,161.08 and 1,558.16

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Solution

The fourth proportional to 2,774.16, 4,161.08 and 1,558.16 is: 2,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.16 : 4,161.08 = 1,558.16 : x
  2. Step 2: Convert to fraction form
    2,774.16/4,161.08 = 1,558.16/x
  3. Step 3: Cross multiply
    2,774.16x = 4,161.08 × 1,558.16
  4. Step 4: Simplify right side
    2,774.16x = 6,483,628.41
  5. Step 5: Solve for x
    x = 6,483,628.41/2,774.16
  6. Step 6: Final answer
    x = 2,337.15

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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.