Home / 2,612.08-3,603.94-1,681.12

Finding the Fourth Proportional to 2,612.08, 3,603.94 and 1,681.12

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Solution

The fourth proportional to 2,612.08, 3,603.94 and 1,681.12 is: 2,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.08 : 3,603.94 = 1,681.12 : x
  2. Step 2: Convert to fraction form
    2,612.08/3,603.94 = 1,681.12/x
  3. Step 3: Cross multiply
    2,612.08x = 3,603.94 × 1,681.12
  4. Step 4: Simplify right side
    2,612.08x = 6,058,655.61
  5. Step 5: Solve for x
    x = 6,058,655.61/2,612.08
  6. Step 6: Final answer
    x = 2,319.48

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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.