Home / 2,619.04-3,614.20-1,688.08

Finding the Fourth Proportional to 2,619.04, 3,614.20 and 1,688.08

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Solution

The fourth proportional to 2,619.04, 3,614.20 and 1,688.08 is: 2,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.04 : 3,614.20 = 1,688.08 : x
  2. Step 2: Convert to fraction form
    2,619.04/3,614.20 = 1,688.08/x
  3. Step 3: Cross multiply
    2,619.04x = 3,614.20 × 1,688.08
  4. Step 4: Simplify right side
    2,619.04x = 6,101,058.74
  5. Step 5: Solve for x
    x = 6,101,058.74/2,619.04
  6. Step 6: Final answer
    x = 2,329.50

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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.