Home / 1,461.51-2,018.66-1,267.45

Finding the Fourth Proportional to 1,461.51, 2,018.66 and 1,267.45

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Solution

The fourth proportional to 1,461.51, 2,018.66 and 1,267.45 is: 1,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.51 : 2,018.66 = 1,267.45 : x
  2. Step 2: Convert to fraction form
    1,461.51/2,018.66 = 1,267.45/x
  3. Step 3: Cross multiply
    1,461.51x = 2,018.66 × 1,267.45
  4. Step 4: Simplify right side
    1,461.51x = 2,558,539.23
  5. Step 5: Solve for x
    x = 2,558,539.23/1,461.51
  6. Step 6: Final answer
    x = 1,750.61

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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.