Home / 1,569.46-2,165.23-1,071.30

Finding the Fourth Proportional to 1,569.46, 2,165.23 and 1,071.30

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Solution

The fourth proportional to 1,569.46, 2,165.23 and 1,071.30 is: 1,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.46 : 2,165.23 = 1,071.30 : x
  2. Step 2: Convert to fraction form
    1,569.46/2,165.23 = 1,071.30/x
  3. Step 3: Cross multiply
    1,569.46x = 2,165.23 × 1,071.30
  4. Step 4: Simplify right side
    1,569.46x = 2,319,610.90
  5. Step 5: Solve for x
    x = 2,319,610.90/1,569.46
  6. Step 6: Final answer
    x = 1,477.97

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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.