Home / 2,607.68-3,597.28-2,109.12

Finding the Fourth Proportional to 2,607.68, 3,597.28 and 2,109.12

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Solution

The fourth proportional to 2,607.68, 3,597.28 and 2,109.12 is: 2,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.68 : 3,597.28 = 2,109.12 : x
  2. Step 2: Convert to fraction form
    2,607.68/3,597.28 = 2,109.12/x
  3. Step 3: Cross multiply
    2,607.68x = 3,597.28 × 2,109.12
  4. Step 4: Simplify right side
    2,607.68x = 7,587,095.19
  5. Step 5: Solve for x
    x = 7,587,095.19/2,607.68
  6. Step 6: Final answer
    x = 2,909.52

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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.