Home / 1,461.35-2,011.54-1,274.50

Finding the Fourth Proportional to 1,461.35, 2,011.54 and 1,274.50

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Solution

The fourth proportional to 1,461.35, 2,011.54 and 1,274.50 is: 1,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.35 : 2,011.54 = 1,274.50 : x
  2. Step 2: Convert to fraction form
    1,461.35/2,011.54 = 1,274.50/x
  3. Step 3: Cross multiply
    1,461.35x = 2,011.54 × 1,274.50
  4. Step 4: Simplify right side
    1,461.35x = 2,563,707.73
  5. Step 5: Solve for x
    x = 2,563,707.73/1,461.35
  6. Step 6: Final answer
    x = 1,754.34

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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.