Home / 2,389.50-3,297.51-1,341.63

Finding the Fourth Proportional to 2,389.50, 3,297.51 and 1,341.63

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Solution

The fourth proportional to 2,389.50, 3,297.51 and 1,341.63 is: 1,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.50 : 3,297.51 = 1,341.63 : x
  2. Step 2: Convert to fraction form
    2,389.50/3,297.51 = 1,341.63/x
  3. Step 3: Cross multiply
    2,389.50x = 3,297.51 × 1,341.63
  4. Step 4: Simplify right side
    2,389.50x = 4,424,038.34
  5. Step 5: Solve for x
    x = 4,424,038.34/2,389.50
  6. Step 6: Final answer
    x = 1,851.45

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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.