Home / 2,590.08-3,574.40-1,835.21

Finding the Fourth Proportional to 2,590.08, 3,574.40 and 1,835.21

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Solution

The fourth proportional to 2,590.08, 3,574.40 and 1,835.21 is: 2,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.08 : 3,574.40 = 1,835.21 : x
  2. Step 2: Convert to fraction form
    2,590.08/3,574.40 = 1,835.21/x
  3. Step 3: Cross multiply
    2,590.08x = 3,574.40 × 1,835.21
  4. Step 4: Simplify right side
    2,590.08x = 6,559,747.58
  5. Step 5: Solve for x
    x = 6,559,747.58/2,590.08
  6. Step 6: Final answer
    x = 2,532.64

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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.