Home / 1,526.15-2,107.80-1,030.83

Finding the Fourth Proportional to 1,526.15, 2,107.80 and 1,030.83

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Solution

The fourth proportional to 1,526.15, 2,107.80 and 1,030.83 is: 1,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.15 : 2,107.80 = 1,030.83 : x
  2. Step 2: Convert to fraction form
    1,526.15/2,107.80 = 1,030.83/x
  3. Step 3: Cross multiply
    1,526.15x = 2,107.80 × 1,030.83
  4. Step 4: Simplify right side
    1,526.15x = 2,172,783.47
  5. Step 5: Solve for x
    x = 2,172,783.47/1,526.15
  6. Step 6: Final answer
    x = 1,423.71

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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.