Home / 2,461.86-3,397.17-1,399.65

Finding the Fourth Proportional to 2,461.86, 3,397.17 and 1,399.65

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Solution

The fourth proportional to 2,461.86, 3,397.17 and 1,399.65 is: 1,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.86 : 3,397.17 = 1,399.65 : x
  2. Step 2: Convert to fraction form
    2,461.86/3,397.17 = 1,399.65/x
  3. Step 3: Cross multiply
    2,461.86x = 3,397.17 × 1,399.65
  4. Step 4: Simplify right side
    2,461.86x = 4,754,848.99
  5. Step 5: Solve for x
    x = 4,754,848.99/2,461.86
  6. Step 6: Final answer
    x = 1,931.41

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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.