Home / 2,151.84-2,970.03-1,267.93

Finding the Fourth Proportional to 2,151.84, 2,970.03 and 1,267.93

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Solution

The fourth proportional to 2,151.84, 2,970.03 and 1,267.93 is: 1,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.84 : 2,970.03 = 1,267.93 : x
  2. Step 2: Convert to fraction form
    2,151.84/2,970.03 = 1,267.93/x
  3. Step 3: Cross multiply
    2,151.84x = 2,970.03 × 1,267.93
  4. Step 4: Simplify right side
    2,151.84x = 3,765,798.61
  5. Step 5: Solve for x
    x = 3,765,798.61/2,151.84
  6. Step 6: Final answer
    x = 1,750.03

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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.