Home / 2,870.99-3,961.95-1,612.06

Finding the Fourth Proportional to 2,870.99, 3,961.95 and 1,612.06

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Solution

The fourth proportional to 2,870.99, 3,961.95 and 1,612.06 is: 2,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.99 : 3,961.95 = 1,612.06 : x
  2. Step 2: Convert to fraction form
    2,870.99/3,961.95 = 1,612.06/x
  3. Step 3: Cross multiply
    2,870.99x = 3,961.95 × 1,612.06
  4. Step 4: Simplify right side
    2,870.99x = 6,386,896.31
  5. Step 5: Solve for x
    x = 6,386,896.31/2,870.99
  6. Step 6: Final answer
    x = 2,224.64

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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.