Home / 2,590.23-3,866.55-2,397.50

Finding the Fourth Proportional to 2,590.23, 3,866.55 and 2,397.50

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Solution

The fourth proportional to 2,590.23, 3,866.55 and 2,397.50 is: 3,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.23 : 3,866.55 = 2,397.50 : x
  2. Step 2: Convert to fraction form
    2,590.23/3,866.55 = 2,397.50/x
  3. Step 3: Cross multiply
    2,590.23x = 3,866.55 × 2,397.50
  4. Step 4: Simplify right side
    2,590.23x = 9,270,034.29
  5. Step 5: Solve for x
    x = 9,270,034.29/2,590.23
  6. Step 6: Final answer
    x = 3,578.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.