Home / 1,478.67-2,040.68-1,037.63

Finding the Fourth Proportional to 1,478.67, 2,040.68 and 1,037.63

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Solution

The fourth proportional to 1,478.67, 2,040.68 and 1,037.63 is: 1,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.67 : 2,040.68 = 1,037.63 : x
  2. Step 2: Convert to fraction form
    1,478.67/2,040.68 = 1,037.63/x
  3. Step 3: Cross multiply
    1,478.67x = 2,040.68 × 1,037.63
  4. Step 4: Simplify right side
    1,478.67x = 2,117,461.17
  5. Step 5: Solve for x
    x = 2,117,461.17/1,478.67
  6. Step 6: Final answer
    x = 1,432.00

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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.