Home / 2,856.09-4,283.10-1,006.86

Finding the Fourth Proportional to 2,856.09, 4,283.10 and 1,006.86

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Solution

The fourth proportional to 2,856.09, 4,283.10 and 1,006.86 is: 1,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.09 : 4,283.10 = 1,006.86 : x
  2. Step 2: Convert to fraction form
    2,856.09/4,283.10 = 1,006.86/x
  3. Step 3: Cross multiply
    2,856.09x = 4,283.10 × 1,006.86
  4. Step 4: Simplify right side
    2,856.09x = 4,312,482.07
  5. Step 5: Solve for x
    x = 4,312,482.07/2,856.09
  6. Step 6: Final answer
    x = 1,509.93

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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.