Home / 1,185.84-1,637.64-1,010.16

Finding the Fourth Proportional to 1,185.84, 1,637.64 and 1,010.16

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Solution

The fourth proportional to 1,185.84, 1,637.64 and 1,010.16 is: 1,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185.84 : 1,637.64 = 1,010.16 : x
  2. Step 2: Convert to fraction form
    1,185.84/1,637.64 = 1,010.16/x
  3. Step 3: Cross multiply
    1,185.84x = 1,637.64 × 1,010.16
  4. Step 4: Simplify right side
    1,185.84x = 1,654,278.42
  5. Step 5: Solve for x
    x = 1,654,278.42/1,185.84
  6. Step 6: Final answer
    x = 1,395.03

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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.