Home / 2,686.81-3,707.67-1,624.84

Finding the Fourth Proportional to 2,686.81, 3,707.67 and 1,624.84

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Solution

The fourth proportional to 2,686.81, 3,707.67 and 1,624.84 is: 2,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.81 : 3,707.67 = 1,624.84 : x
  2. Step 2: Convert to fraction form
    2,686.81/3,707.67 = 1,624.84/x
  3. Step 3: Cross multiply
    2,686.81x = 3,707.67 × 1,624.84
  4. Step 4: Simplify right side
    2,686.81x = 6,024,370.52
  5. Step 5: Solve for x
    x = 6,024,370.52/2,686.81
  6. Step 6: Final answer
    x = 2,242.20

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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.