Home / 1,569.30-2,160.70-1,332.74

Finding the Fourth Proportional to 1,569.30, 2,160.70 and 1,332.74

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Solution

The fourth proportional to 1,569.30, 2,160.70 and 1,332.74 is: 1,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.30 : 2,160.70 = 1,332.74 : x
  2. Step 2: Convert to fraction form
    1,569.30/2,160.70 = 1,332.74/x
  3. Step 3: Cross multiply
    1,569.30x = 2,160.70 × 1,332.74
  4. Step 4: Simplify right side
    1,569.30x = 2,879,651.32
  5. Step 5: Solve for x
    x = 2,879,651.32/1,569.30
  6. Step 6: Final answer
    x = 1,834.99

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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.