Home / 1,707.18-2,350.21-1,628.81

Finding the Fourth Proportional to 1,707.18, 2,350.21 and 1,628.81

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Solution

The fourth proportional to 1,707.18, 2,350.21 and 1,628.81 is: 2,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.18 : 2,350.21 = 1,628.81 : x
  2. Step 2: Convert to fraction form
    1,707.18/2,350.21 = 1,628.81/x
  3. Step 3: Cross multiply
    1,707.18x = 2,350.21 × 1,628.81
  4. Step 4: Simplify right side
    1,707.18x = 3,828,045.55
  5. Step 5: Solve for x
    x = 3,828,045.55/1,707.18
  6. Step 6: Final answer
    x = 2,242.32

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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.