Home / 2,590.49-3,574.64-1,528.26

Finding the Fourth Proportional to 2,590.49, 3,574.64 and 1,528.26

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Solution

The fourth proportional to 2,590.49, 3,574.64 and 1,528.26 is: 2,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.49 : 3,574.64 = 1,528.26 : x
  2. Step 2: Convert to fraction form
    2,590.49/3,574.64 = 1,528.26/x
  3. Step 3: Cross multiply
    2,590.49x = 3,574.64 × 1,528.26
  4. Step 4: Simplify right side
    2,590.49x = 5,462,971.69
  5. Step 5: Solve for x
    x = 5,462,971.69/2,590.49
  6. Step 6: Final answer
    x = 2,108.86

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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.