Home / 2,298.79-3,166.81-1,898.74

Finding the Fourth Proportional to 2,298.79, 3,166.81 and 1,898.74

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Solution

The fourth proportional to 2,298.79, 3,166.81 and 1,898.74 is: 2,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.79 : 3,166.81 = 1,898.74 : x
  2. Step 2: Convert to fraction form
    2,298.79/3,166.81 = 1,898.74/x
  3. Step 3: Cross multiply
    2,298.79x = 3,166.81 × 1,898.74
  4. Step 4: Simplify right side
    2,298.79x = 6,012,948.82
  5. Step 5: Solve for x
    x = 6,012,948.82/2,298.79
  6. Step 6: Final answer
    x = 2,615.70

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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.