Home / 3,345.02-5,018.67-1,265.63

Finding the Fourth Proportional to 3,345.02, 5,018.67 and 1,265.63

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Solution

The fourth proportional to 3,345.02, 5,018.67 and 1,265.63 is: 1,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.02 : 5,018.67 = 1,265.63 : x
  2. Step 2: Convert to fraction form
    3,345.02/5,018.67 = 1,265.63/x
  3. Step 3: Cross multiply
    3,345.02x = 5,018.67 × 1,265.63
  4. Step 4: Simplify right side
    3,345.02x = 6,351,779.31
  5. Step 5: Solve for x
    x = 6,351,779.31/3,345.02
  6. Step 6: Final answer
    x = 1,898.88

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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.