Home / 2,237.72-3,088.32-1,353.60

Finding the Fourth Proportional to 2,237.72, 3,088.32 and 1,353.60

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Solution

The fourth proportional to 2,237.72, 3,088.32 and 1,353.60 is: 1,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.72 : 3,088.32 = 1,353.60 : x
  2. Step 2: Convert to fraction form
    2,237.72/3,088.32 = 1,353.60/x
  3. Step 3: Cross multiply
    2,237.72x = 3,088.32 × 1,353.60
  4. Step 4: Simplify right side
    2,237.72x = 4,180,349.95
  5. Step 5: Solve for x
    x = 4,180,349.95/2,237.72
  6. Step 6: Final answer
    x = 1,868.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.