Home / 1,477.56-2,037.36-1,140.69

Finding the Fourth Proportional to 1,477.56, 2,037.36 and 1,140.69

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Solution

The fourth proportional to 1,477.56, 2,037.36 and 1,140.69 is: 1,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.56 : 2,037.36 = 1,140.69 : x
  2. Step 2: Convert to fraction form
    1,477.56/2,037.36 = 1,140.69/x
  3. Step 3: Cross multiply
    1,477.56x = 2,037.36 × 1,140.69
  4. Step 4: Simplify right side
    1,477.56x = 2,323,996.18
  5. Step 5: Solve for x
    x = 2,323,996.18/1,477.56
  6. Step 6: Final answer
    x = 1,572.86

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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.