Home / 2,815.04-4,220.03-1,717.07

Finding the Fourth Proportional to 2,815.04, 4,220.03 and 1,717.07

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Solution

The fourth proportional to 2,815.04, 4,220.03 and 1,717.07 is: 2,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.04 : 4,220.03 = 1,717.07 : x
  2. Step 2: Convert to fraction form
    2,815.04/4,220.03 = 1,717.07/x
  3. Step 3: Cross multiply
    2,815.04x = 4,220.03 × 1,717.07
  4. Step 4: Simplify right side
    2,815.04x = 7,246,070.10
  5. Step 5: Solve for x
    x = 7,246,070.10/2,815.04
  6. Step 6: Final answer
    x = 2,574.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.