Home / 2,690.18-3,712.06-1,495.08

Finding the Fourth Proportional to 2,690.18, 3,712.06 and 1,495.08

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Solution

The fourth proportional to 2,690.18, 3,712.06 and 1,495.08 is: 2,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.18 : 3,712.06 = 1,495.08 : x
  2. Step 2: Convert to fraction form
    2,690.18/3,712.06 = 1,495.08/x
  3. Step 3: Cross multiply
    2,690.18x = 3,712.06 × 1,495.08
  4. Step 4: Simplify right side
    2,690.18x = 5,549,800.63
  5. Step 5: Solve for x
    x = 5,549,800.63/2,690.18
  6. Step 6: Final answer
    x = 2,062.99

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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.