Home / 2,385.85-3,291.93-1,501.11

Finding the Fourth Proportional to 2,385.85, 3,291.93 and 1,501.11

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Solution

The fourth proportional to 2,385.85, 3,291.93 and 1,501.11 is: 2,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.85 : 3,291.93 = 1,501.11 : x
  2. Step 2: Convert to fraction form
    2,385.85/3,291.93 = 1,501.11/x
  3. Step 3: Cross multiply
    2,385.85x = 3,291.93 × 1,501.11
  4. Step 4: Simplify right side
    2,385.85x = 4,941,536.34
  5. Step 5: Solve for x
    x = 4,941,536.34/2,385.85
  6. Step 6: Final answer
    x = 2,071.18

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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.