Home / 2,527.74-3,486.98-1,688.18

Finding the Fourth Proportional to 2,527.74, 3,486.98 and 1,688.18

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Solution

The fourth proportional to 2,527.74, 3,486.98 and 1,688.18 is: 2,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.74 : 3,486.98 = 1,688.18 : x
  2. Step 2: Convert to fraction form
    2,527.74/3,486.98 = 1,688.18/x
  3. Step 3: Cross multiply
    2,527.74x = 3,486.98 × 1,688.18
  4. Step 4: Simplify right side
    2,527.74x = 5,886,636.68
  5. Step 5: Solve for x
    x = 5,886,636.68/2,527.74
  6. Step 6: Final answer
    x = 2,328.81

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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.