Home / 2,886.87-4,330.44-1,038.45

Finding the Fourth Proportional to 2,886.87, 4,330.44 and 1,038.45

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Solution

The fourth proportional to 2,886.87, 4,330.44 and 1,038.45 is: 1,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.87 : 4,330.44 = 1,038.45 : x
  2. Step 2: Convert to fraction form
    2,886.87/4,330.44 = 1,038.45/x
  3. Step 3: Cross multiply
    2,886.87x = 4,330.44 × 1,038.45
  4. Step 4: Simplify right side
    2,886.87x = 4,496,945.42
  5. Step 5: Solve for x
    x = 4,496,945.42/2,886.87
  6. Step 6: Final answer
    x = 1,557.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.