Home / 1,569.16-2,164.80-1,126.18

Finding the Fourth Proportional to 1,569.16, 2,164.80 and 1,126.18

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Solution

The fourth proportional to 1,569.16, 2,164.80 and 1,126.18 is: 1,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.16 : 2,164.80 = 1,126.18 : x
  2. Step 2: Convert to fraction form
    1,569.16/2,164.80 = 1,126.18/x
  3. Step 3: Cross multiply
    1,569.16x = 2,164.80 × 1,126.18
  4. Step 4: Simplify right side
    1,569.16x = 2,437,954.46
  5. Step 5: Solve for x
    x = 2,437,954.46/1,569.16
  6. Step 6: Final answer
    x = 1,553.67

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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.