Home / 1,347.98-2,021.96-1,175.45

Finding the Fourth Proportional to 1,347.98, 2,021.96 and 1,175.45

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Solution

The fourth proportional to 1,347.98, 2,021.96 and 1,175.45 is: 1,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.98 : 2,021.96 = 1,175.45 : x
  2. Step 2: Convert to fraction form
    1,347.98/2,021.96 = 1,175.45/x
  3. Step 3: Cross multiply
    1,347.98x = 2,021.96 × 1,175.45
  4. Step 4: Simplify right side
    1,347.98x = 2,376,705.71
  5. Step 5: Solve for x
    x = 2,376,705.71/1,347.98
  6. Step 6: Final answer
    x = 1,763.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.