Home / 1,740.76-2,400.39-1,423.63

Finding the Fourth Proportional to 1,740.76, 2,400.39 and 1,423.63

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Solution

The fourth proportional to 1,740.76, 2,400.39 and 1,423.63 is: 1,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.76 : 2,400.39 = 1,423.63 : x
  2. Step 2: Convert to fraction form
    1,740.76/2,400.39 = 1,423.63/x
  3. Step 3: Cross multiply
    1,740.76x = 2,400.39 × 1,423.63
  4. Step 4: Simplify right side
    1,740.76x = 3,417,267.22
  5. Step 5: Solve for x
    x = 3,417,267.22/1,740.76
  6. Step 6: Final answer
    x = 1,963.09

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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.