Home / 2,520.16-3,477.51-1,525.90

Finding the Fourth Proportional to 2,520.16, 3,477.51 and 1,525.90

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Solution

The fourth proportional to 2,520.16, 3,477.51 and 1,525.90 is: 2,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.16 : 3,477.51 = 1,525.90 : x
  2. Step 2: Convert to fraction form
    2,520.16/3,477.51 = 1,525.90/x
  3. Step 3: Cross multiply
    2,520.16x = 3,477.51 × 1,525.90
  4. Step 4: Simplify right side
    2,520.16x = 5,306,332.51
  5. Step 5: Solve for x
    x = 5,306,332.51/2,520.16
  6. Step 6: Final answer
    x = 2,105.55

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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.