Home / 2,602.95-3,905.15-1,043.55

Finding the Fourth Proportional to 2,602.95, 3,905.15 and 1,043.55

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Solution

The fourth proportional to 2,602.95, 3,905.15 and 1,043.55 is: 1,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.95 : 3,905.15 = 1,043.55 : x
  2. Step 2: Convert to fraction form
    2,602.95/3,905.15 = 1,043.55/x
  3. Step 3: Cross multiply
    2,602.95x = 3,905.15 × 1,043.55
  4. Step 4: Simplify right side
    2,602.95x = 4,075,214.06
  5. Step 5: Solve for x
    x = 4,075,214.06/2,602.95
  6. Step 6: Final answer
    x = 1,565.61

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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.