Home / 1,925.08-2,655.54-1,178.92

Finding the Fourth Proportional to 1,925.08, 2,655.54 and 1,178.92

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Solution

The fourth proportional to 1,925.08, 2,655.54 and 1,178.92 is: 1,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.08 : 2,655.54 = 1,178.92 : x
  2. Step 2: Convert to fraction form
    1,925.08/2,655.54 = 1,178.92/x
  3. Step 3: Cross multiply
    1,925.08x = 2,655.54 × 1,178.92
  4. Step 4: Simplify right side
    1,925.08x = 3,130,669.22
  5. Step 5: Solve for x
    x = 3,130,669.22/1,925.08
  6. Step 6: Final answer
    x = 1,626.25

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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.