Home / 2,437.65-3,363.93-1,389.69

Finding the Fourth Proportional to 2,437.65, 3,363.93 and 1,389.69

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Solution

The fourth proportional to 2,437.65, 3,363.93 and 1,389.69 is: 1,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.65 : 3,363.93 = 1,389.69 : x
  2. Step 2: Convert to fraction form
    2,437.65/3,363.93 = 1,389.69/x
  3. Step 3: Cross multiply
    2,437.65x = 3,363.93 × 1,389.69
  4. Step 4: Simplify right side
    2,437.65x = 4,674,819.88
  5. Step 5: Solve for x
    x = 4,674,819.88/2,437.65
  6. Step 6: Final answer
    x = 1,917.76

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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.