Home / 2,590.43-3,574.62-1,528.14

Finding the Fourth Proportional to 2,590.43, 3,574.62 and 1,528.14

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Solution

The fourth proportional to 2,590.43, 3,574.62 and 1,528.14 is: 2,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.43 : 3,574.62 = 1,528.14 : x
  2. Step 2: Convert to fraction form
    2,590.43/3,574.62 = 1,528.14/x
  3. Step 3: Cross multiply
    2,590.43x = 3,574.62 × 1,528.14
  4. Step 4: Simplify right side
    2,590.43x = 5,462,519.81
  5. Step 5: Solve for x
    x = 5,462,519.81/2,590.43
  6. Step 6: Final answer
    x = 2,108.73

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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.