Home / 2,574.16-3,553.68-2,013.40

Finding the Fourth Proportional to 2,574.16, 3,553.68 and 2,013.40

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Solution

The fourth proportional to 2,574.16, 3,553.68 and 2,013.40 is: 2,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.16 : 3,553.68 = 2,013.40 : x
  2. Step 2: Convert to fraction form
    2,574.16/3,553.68 = 2,013.40/x
  3. Step 3: Cross multiply
    2,574.16x = 3,553.68 × 2,013.40
  4. Step 4: Simplify right side
    2,574.16x = 7,154,979.31
  5. Step 5: Solve for x
    x = 7,154,979.31/2,574.16
  6. Step 6: Final answer
    x = 2,779.54

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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.