Home / 2,590.02-3,574.78-1,705.90

Finding the Fourth Proportional to 2,590.02, 3,574.78 and 1,705.90

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Solution

The fourth proportional to 2,590.02, 3,574.78 and 1,705.90 is: 2,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.02 : 3,574.78 = 1,705.90 : x
  2. Step 2: Convert to fraction form
    2,590.02/3,574.78 = 1,705.90/x
  3. Step 3: Cross multiply
    2,590.02x = 3,574.78 × 1,705.90
  4. Step 4: Simplify right side
    2,590.02x = 6,098,217.20
  5. Step 5: Solve for x
    x = 6,098,217.20/2,590.02
  6. Step 6: Final answer
    x = 2,354.51

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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.