Home / 3,314.02-4,570.94-1,987.24

Finding the Fourth Proportional to 3,314.02, 4,570.94 and 1,987.24

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Solution

The fourth proportional to 3,314.02, 4,570.94 and 1,987.24 is: 2,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.02 : 4,570.94 = 1,987.24 : x
  2. Step 2: Convert to fraction form
    3,314.02/4,570.94 = 1,987.24/x
  3. Step 3: Cross multiply
    3,314.02x = 4,570.94 × 1,987.24
  4. Step 4: Simplify right side
    3,314.02x = 9,083,554.81
  5. Step 5: Solve for x
    x = 9,083,554.81/3,314.02
  6. Step 6: Final answer
    x = 2,740.95

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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.