Home / 2,916.45-4,024.78-1,590.17

Finding the Fourth Proportional to 2,916.45, 4,024.78 and 1,590.17

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Solution

The fourth proportional to 2,916.45, 4,024.78 and 1,590.17 is: 2,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.45 : 4,024.78 = 1,590.17 : x
  2. Step 2: Convert to fraction form
    2,916.45/4,024.78 = 1,590.17/x
  3. Step 3: Cross multiply
    2,916.45x = 4,024.78 × 1,590.17
  4. Step 4: Simplify right side
    2,916.45x = 6,400,090.50
  5. Step 5: Solve for x
    x = 6,400,090.50/2,916.45
  6. Step 6: Final answer
    x = 2,194.48

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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.