Home / 2,437.30-3,363.42-1,389.25

Finding the Fourth Proportional to 2,437.30, 3,363.42 and 1,389.25

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Solution

The fourth proportional to 2,437.30, 3,363.42 and 1,389.25 is: 1,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.30 : 3,363.42 = 1,389.25 : x
  2. Step 2: Convert to fraction form
    2,437.30/3,363.42 = 1,389.25/x
  3. Step 3: Cross multiply
    2,437.30x = 3,363.42 × 1,389.25
  4. Step 4: Simplify right side
    2,437.30x = 4,672,631.24
  5. Step 5: Solve for x
    x = 4,672,631.24/2,437.30
  6. Step 6: Final answer
    x = 1,917.13

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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.