Home / 2,656.23-3,665.63-1,477.31

Finding the Fourth Proportional to 2,656.23, 3,665.63 and 1,477.31

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Solution

The fourth proportional to 2,656.23, 3,665.63 and 1,477.31 is: 2,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.23 : 3,665.63 = 1,477.31 : x
  2. Step 2: Convert to fraction form
    2,656.23/3,665.63 = 1,477.31/x
  3. Step 3: Cross multiply
    2,656.23x = 3,665.63 × 1,477.31
  4. Step 4: Simplify right side
    2,656.23x = 5,415,246.14
  5. Step 5: Solve for x
    x = 5,415,246.14/2,656.23
  6. Step 6: Final answer
    x = 2,038.70

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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.