Home / 2,921.86-4,030.32-2,037.34

Finding the Fourth Proportional to 2,921.86, 4,030.32 and 2,037.34

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Solution

The fourth proportional to 2,921.86, 4,030.32 and 2,037.34 is: 2,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.86 : 4,030.32 = 2,037.34 : x
  2. Step 2: Convert to fraction form
    2,921.86/4,030.32 = 2,037.34/x
  3. Step 3: Cross multiply
    2,921.86x = 4,030.32 × 2,037.34
  4. Step 4: Simplify right side
    2,921.86x = 8,211,132.15
  5. Step 5: Solve for x
    x = 8,211,132.15/2,921.86
  6. Step 6: Final answer
    x = 2,810.24

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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.