Home / 1,569.29-2,160.70-1,332.75

Finding the Fourth Proportional to 1,569.29, 2,160.70 and 1,332.75

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Solution

The fourth proportional to 1,569.29, 2,160.70 and 1,332.75 is: 1,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.29 : 2,160.70 = 1,332.75 : x
  2. Step 2: Convert to fraction form
    1,569.29/2,160.70 = 1,332.75/x
  3. Step 3: Cross multiply
    1,569.29x = 2,160.70 × 1,332.75
  4. Step 4: Simplify right side
    1,569.29x = 2,879,672.93
  5. Step 5: Solve for x
    x = 2,879,672.93/1,569.29
  6. Step 6: Final answer
    x = 1,835.02

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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.