Home / 1,733.14-2,391.60-987.13

Finding the Fourth Proportional to 1,733.14, 2,391.60 and 987.13

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Solution

The fourth proportional to 1,733.14, 2,391.60 and 987.13 is: 1,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.14 : 2,391.60 = 987.13 : x
  2. Step 2: Convert to fraction form
    1,733.14/2,391.60 = 987.13/x
  3. Step 3: Cross multiply
    1,733.14x = 2,391.60 × 987.13
  4. Step 4: Simplify right side
    1,733.14x = 2,360,820.11
  5. Step 5: Solve for x
    x = 2,360,820.11/1,733.14
  6. Step 6: Final answer
    x = 1,362.16

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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.