Home / 1,526.10-2,107.54-1,315.09

Finding the Fourth Proportional to 1,526.10, 2,107.54 and 1,315.09

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Solution

The fourth proportional to 1,526.10, 2,107.54 and 1,315.09 is: 1,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.10 : 2,107.54 = 1,315.09 : x
  2. Step 2: Convert to fraction form
    1,526.10/2,107.54 = 1,315.09/x
  3. Step 3: Cross multiply
    1,526.10x = 2,107.54 × 1,315.09
  4. Step 4: Simplify right side
    1,526.10x = 2,771,609.06
  5. Step 5: Solve for x
    x = 2,771,609.06/1,526.10
  6. Step 6: Final answer
    x = 1,816.14

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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.