Home / 1,651.24-2,275.14-1,590.76

Finding the Fourth Proportional to 1,651.24, 2,275.14 and 1,590.76

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Solution

The fourth proportional to 1,651.24, 2,275.14 and 1,590.76 is: 2,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.24 : 2,275.14 = 1,590.76 : x
  2. Step 2: Convert to fraction form
    1,651.24/2,275.14 = 1,590.76/x
  3. Step 3: Cross multiply
    1,651.24x = 2,275.14 × 1,590.76
  4. Step 4: Simplify right side
    1,651.24x = 3,619,201.71
  5. Step 5: Solve for x
    x = 3,619,201.71/1,651.24
  6. Step 6: Final answer
    x = 2,191.81

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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.