Home / 2,140.40-2,953.71-1,510.26

Finding the Fourth Proportional to 2,140.40, 2,953.71 and 1,510.26

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Solution

The fourth proportional to 2,140.40, 2,953.71 and 1,510.26 is: 2,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.40 : 2,953.71 = 1,510.26 : x
  2. Step 2: Convert to fraction form
    2,140.40/2,953.71 = 1,510.26/x
  3. Step 3: Cross multiply
    2,140.40x = 2,953.71 × 1,510.26
  4. Step 4: Simplify right side
    2,140.40x = 4,460,870.06
  5. Step 5: Solve for x
    x = 4,460,870.06/2,140.40
  6. Step 6: Final answer
    x = 2,084.13

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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.