Home / 2,530.08-3,490.64-1,868.32

Finding the Fourth Proportional to 2,530.08, 3,490.64 and 1,868.32

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Solution

The fourth proportional to 2,530.08, 3,490.64 and 1,868.32 is: 2,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.08 : 3,490.64 = 1,868.32 : x
  2. Step 2: Convert to fraction form
    2,530.08/3,490.64 = 1,868.32/x
  3. Step 3: Cross multiply
    2,530.08x = 3,490.64 × 1,868.32
  4. Step 4: Simplify right side
    2,530.08x = 6,521,632.52
  5. Step 5: Solve for x
    x = 6,521,632.52/2,530.08
  6. Step 6: Final answer
    x = 2,577.64

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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.