Home / 1,715.19-2,364.44-1,478.67

Finding the Fourth Proportional to 1,715.19, 2,364.44 and 1,478.67

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Solution

The fourth proportional to 1,715.19, 2,364.44 and 1,478.67 is: 2,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.19 : 2,364.44 = 1,478.67 : x
  2. Step 2: Convert to fraction form
    1,715.19/2,364.44 = 1,478.67/x
  3. Step 3: Cross multiply
    1,715.19x = 2,364.44 × 1,478.67
  4. Step 4: Simplify right side
    1,715.19x = 3,496,219.10
  5. Step 5: Solve for x
    x = 3,496,219.10/1,715.19
  6. Step 6: Final answer
    x = 2,038.39

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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.