Home / 2,405.10-3,607.65-1,368.30

Finding the Fourth Proportional to 2,405.10, 3,607.65 and 1,368.30

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Solution

The fourth proportional to 2,405.10, 3,607.65 and 1,368.30 is: 2,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.10 : 3,607.65 = 1,368.30 : x
  2. Step 2: Convert to fraction form
    2,405.10/3,607.65 = 1,368.30/x
  3. Step 3: Cross multiply
    2,405.10x = 3,607.65 × 1,368.30
  4. Step 4: Simplify right side
    2,405.10x = 4,936,347.50
  5. Step 5: Solve for x
    x = 4,936,347.50/2,405.10
  6. Step 6: Final answer
    x = 2,052.45

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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.