Home / 3,055.24-4,215.30-1,875.56

Finding the Fourth Proportional to 3,055.24, 4,215.30 and 1,875.56

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Solution

The fourth proportional to 3,055.24, 4,215.30 and 1,875.56 is: 2,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.24 : 4,215.30 = 1,875.56 : x
  2. Step 2: Convert to fraction form
    3,055.24/4,215.30 = 1,875.56/x
  3. Step 3: Cross multiply
    3,055.24x = 4,215.30 × 1,875.56
  4. Step 4: Simplify right side
    3,055.24x = 7,906,048.07
  5. Step 5: Solve for x
    x = 7,906,048.07/3,055.24
  6. Step 6: Final answer
    x = 2,587.70

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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.