Home / 2,903.40-4,006.64-1,577.07

Finding the Fourth Proportional to 2,903.40, 4,006.64 and 1,577.07

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Solution

The fourth proportional to 2,903.40, 4,006.64 and 1,577.07 is: 2,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.40 : 4,006.64 = 1,577.07 : x
  2. Step 2: Convert to fraction form
    2,903.40/4,006.64 = 1,577.07/x
  3. Step 3: Cross multiply
    2,903.40x = 4,006.64 × 1,577.07
  4. Step 4: Simplify right side
    2,903.40x = 6,318,743.86
  5. Step 5: Solve for x
    x = 6,318,743.86/2,903.40
  6. Step 6: Final answer
    x = 2,176.33

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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.