Home / 2,576.12-3,555.56-1,457.07

Finding the Fourth Proportional to 2,576.12, 3,555.56 and 1,457.07

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Solution

The fourth proportional to 2,576.12, 3,555.56 and 1,457.07 is: 2,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.12 : 3,555.56 = 1,457.07 : x
  2. Step 2: Convert to fraction form
    2,576.12/3,555.56 = 1,457.07/x
  3. Step 3: Cross multiply
    2,576.12x = 3,555.56 × 1,457.07
  4. Step 4: Simplify right side
    2,576.12x = 5,180,699.81
  5. Step 5: Solve for x
    x = 5,180,699.81/2,576.12
  6. Step 6: Final answer
    x = 2,011.05

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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.