Home / 2,870.24-4,301.04-1,407.62

Finding the Fourth Proportional to 2,870.24, 4,301.04 and 1,407.62

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Solution

The fourth proportional to 2,870.24, 4,301.04 and 1,407.62 is: 2,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.24 : 4,301.04 = 1,407.62 : x
  2. Step 2: Convert to fraction form
    2,870.24/4,301.04 = 1,407.62/x
  3. Step 3: Cross multiply
    2,870.24x = 4,301.04 × 1,407.62
  4. Step 4: Simplify right side
    2,870.24x = 6,054,229.92
  5. Step 5: Solve for x
    x = 6,054,229.92/2,870.24
  6. Step 6: Final answer
    x = 2,109.31

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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.