Home / 2,585.98-3,570.44-2,420.74

Finding the Fourth Proportional to 2,585.98, 3,570.44 and 2,420.74

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Solution

The fourth proportional to 2,585.98, 3,570.44 and 2,420.74 is: 3,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.98 : 3,570.44 = 2,420.74 : x
  2. Step 2: Convert to fraction form
    2,585.98/3,570.44 = 2,420.74/x
  3. Step 3: Cross multiply
    2,585.98x = 3,570.44 × 2,420.74
  4. Step 4: Simplify right side
    2,585.98x = 8,643,085.90
  5. Step 5: Solve for x
    x = 8,643,085.90/2,585.98
  6. Step 6: Final answer
    x = 3,342.29

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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.