Home / 2,945.38-4,417.77-1,558.18

Finding the Fourth Proportional to 2,945.38, 4,417.77 and 1,558.18

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Solution

The fourth proportional to 2,945.38, 4,417.77 and 1,558.18 is: 2,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.38 : 4,417.77 = 1,558.18 : x
  2. Step 2: Convert to fraction form
    2,945.38/4,417.77 = 1,558.18/x
  3. Step 3: Cross multiply
    2,945.38x = 4,417.77 × 1,558.18
  4. Step 4: Simplify right side
    2,945.38x = 6,883,680.86
  5. Step 5: Solve for x
    x = 6,883,680.86/2,945.38
  6. Step 6: Final answer
    x = 2,337.11

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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.