Home / 2,617.23-3,608.04-1,870.91

Finding the Fourth Proportional to 2,617.23, 3,608.04 and 1,870.91

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Solution

The fourth proportional to 2,617.23, 3,608.04 and 1,870.91 is: 2,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.23 : 3,608.04 = 1,870.91 : x
  2. Step 2: Convert to fraction form
    2,617.23/3,608.04 = 1,870.91/x
  3. Step 3: Cross multiply
    2,617.23x = 3,608.04 × 1,870.91
  4. Step 4: Simplify right side
    2,617.23x = 6,750,320.12
  5. Step 5: Solve for x
    x = 6,750,320.12/2,617.23
  6. Step 6: Final answer
    x = 2,579.19

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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.