Home / 1,701.20-2,345.82-1,307.36

Finding the Fourth Proportional to 1,701.20, 2,345.82 and 1,307.36

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Solution

The fourth proportional to 1,701.20, 2,345.82 and 1,307.36 is: 1,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.20 : 2,345.82 = 1,307.36 : x
  2. Step 2: Convert to fraction form
    1,701.20/2,345.82 = 1,307.36/x
  3. Step 3: Cross multiply
    1,701.20x = 2,345.82 × 1,307.36
  4. Step 4: Simplify right side
    1,701.20x = 3,066,831.24
  5. Step 5: Solve for x
    x = 3,066,831.24/1,701.20
  6. Step 6: Final answer
    x = 1,802.75

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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.