Home / 2,875.06-4,313.61-1,415.23

Finding the Fourth Proportional to 2,875.06, 4,313.61 and 1,415.23

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Solution

The fourth proportional to 2,875.06, 4,313.61 and 1,415.23 is: 2,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.06 : 4,313.61 = 1,415.23 : x
  2. Step 2: Convert to fraction form
    2,875.06/4,313.61 = 1,415.23/x
  3. Step 3: Cross multiply
    2,875.06x = 4,313.61 × 1,415.23
  4. Step 4: Simplify right side
    2,875.06x = 6,104,750.28
  5. Step 5: Solve for x
    x = 6,104,750.28/2,875.06
  6. Step 6: Final answer
    x = 2,123.35

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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.